A flaw was found in the spice-vdagentd daemon, where it did not properly handle client connections that can be established via the UNIX domain socket in `/run/spice-vdagentd/spice-vdagent-sock`. Any unprivileged local guest user could use this flaw to prevent legitimate agents from connecting to the spice-vdagentd daemon, resulting in a denial of service. The highest threat from this vulnerability is to system availability. This flaw affects spice-vdagent versions 0.20 and prior.

This plugin has been deprecated as it does not adhere to established standards for this style of check.

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2021:1791 advisory.

  - A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the     virtual machine. Any unprivileged local guest user with access to the UNIX domain socket path `/run/spice-     vdagentd/spice-vdagent-sock` could use this flaw to perform a memory denial of service for spice-vdagentd     or even other processes in the VM system. The highest threat from this vulnerability is to system     availability. This flaw affects spice-vdagent versions 0.20 and previous versions. (CVE-2020-25650)

  - A flaw was found in the SPICE file transfer protocol. File data from the host system can end up in full or     in parts in the client connection of an illegitimate local user in the VM system. Active file transfers     from other users could also be interrupted, resulting in a denial of service. The highest threat from this     vulnerability is to data confidentiality as well as system availability. This flaw affects spice-vdagent     versions 0.20 and prior. (CVE-2020-25651)

  - A flaw was found in the spice-vdagentd daemon, where it did not properly handle client connections that     can be established via the UNIX domain socket in `/run/spice-vdagentd/spice-vdagent-sock`. Any     unprivileged local guest user could use this flaw to prevent legitimate agents from connecting to the     spice-vdagentd daemon, resulting in a denial of service. The highest threat from this vulnerability is to     system availability. This flaw affects spice-vdagent versions 0.20 and prior. (CVE-2020-25652)

  - A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client     connections. This flaw may allow an unprivileged local guest user to become the active agent for spice-     vdagentd, possibly resulting in a denial of service or information leakage from the host. The highest     threat from this vulnerability is to data confidentiality as well as system availability. This flaw     affects spice-vdagent versions 0.20 and prior. (CVE-2020-25653)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2021:1791 advisory.

  - A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the     virtual machine. Any unprivileged local guest user with access to the UNIX domain socket path `/run/spice-     vdagentd/spice-vdagent-sock` could use this flaw to perform a memory denial of service for spice-vdagentd     or even other processes in the VM system. The highest threat from this vulnerability is to system     availability. This flaw affects spice-vdagent versions 0.20 and previous versions. (CVE-2020-25650)

  - A flaw was found in the SPICE file transfer protocol. File data from the host system can end up in full or     in parts in the client connection of an illegitimate local user in the VM system. Active file transfers     from other users could also be interrupted, resulting in a denial of service. The highest threat from this     vulnerability is to data confidentiality as well as system availability. This flaw affects spice-vdagent     versions 0.20 and prior. (CVE-2020-25651)

  - A flaw was found in the spice-vdagentd daemon, where it did not properly handle client connections that     can be established via the UNIX domain socket in `/run/spice-vdagentd/spice-vdagent-sock`. Any     unprivileged local guest user could use this flaw to prevent legitimate agents from connecting to the     spice-vdagentd daemon, resulting in a denial of service. The highest threat from this vulnerability is to     system availability. This flaw affects spice-vdagent versions 0.20 and prior. (CVE-2020-25652)

  - A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client     connections. This flaw may allow an unprivileged local guest user to become the active agent for spice-     vdagentd, possibly resulting in a denial of service or information leakage from the host. The highest     threat from this vulnerability is to data confidentiality as well as system availability. This flaw     affects spice-vdagent versions 0.20 and prior. (CVE-2020-25653)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the versions of the spice-vdagent package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the     virtual machine. Any unprivileged local guest user with access to the UNIX domain socket path `/run/spice-     vdagentd/spice-vdagent-sock` could use this flaw to perform a memory denial of service for spice-vdagentd     or even other processes in the VM system. The highest threat from this vulnerability is to system     availability. This flaw affects spice-vdagent versions 0.20 and previous versions. (CVE-2020-25650)

  - A flaw was found in the SPICE file transfer protocol. File data from the host system can end up in full or     in parts in the client connection of an illegitimate local user in the VM system. Active file transfers     from other users could also be interrupted, resulting in a denial of service. The highest threat from this     vulnerability is to data confidentiality as well as system availability. This flaw affects spice-vdagent     versions 0.20 and prior. (CVE-2020-25651)

  - A flaw was found in the spice-vdagentd daemon, where it did not properly handle client connections that     can be established via the UNIX domain socket in `/run/spice-vdagentd/spice-vdagent-sock`. Any     unprivileged local guest user could use this flaw to prevent legitimate agents from connecting to the     spice-vdagentd daemon, resulting in a denial of service. The highest threat from this vulnerability is to     system availability. This flaw affects spice-vdagent versions 0.20 and prior. (CVE-2020-25652)

  - A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client     connections. This flaw may allow an unprivileged local guest user to become the active agent for spice-     vdagentd, possibly resulting in a denial of service or information leakage from the host. The highest     threat from this vulnerability is to data confidentiality as well as system availability. This flaw     affects spice-vdagent versions 0.20 and prior. (CVE-2020-25653)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the spice-vdagent package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - A flaw was found in the way the spice-vdagentd daemon     handled file transfers from the host system to the     virtual machine. Any unprivileged local guest user with     access to the UNIX domain socket path     `/run/spice-vdagentd/spice-vdagent-sock` could use this     flaw to perform a memory denial of service for     spice-vdagentd or even other processes in the VM     system. The highest threat from this vulnerability is     to system availability. This flaw affects spice-vdagent     versions 0.20 and previous versions.(CVE-2020-25650)

  - A flaw was found in the SPICE file transfer protocol.
    File data from the host system can end up in full or in     parts in the client connection of an illegitimate local     user in the VM system. Active file transfers from other     users could also be interrupted, resulting in a denial     of service. The highest threat from this vulnerability     is to data confidentiality as well as system     availability. This flaw affects spice-vdagent versions     0.20 and prior.(CVE-2020-25651)

  - A flaw was found in the spice-vdagentd daemon, where it     did not properly handle client connections that can be     established via the UNIX domain socket in     `/run/spice-vdagentd/spice-vdagent-sock`. Any     unprivileged local guest user could use this flaw to     prevent legitimate agents from connecting to the     spice-vdagentd daemon, resulting in a denial of     service. The highest threat from this vulnerability is     to system availability. This flaw affects spice-vdagent     versions 0.20 and prior.(CVE-2020-25652)

  - A race condition vulnerability was found in the way the     spice-vdagentd daemon handled new client connections.
    This flaw may allow an unprivileged local guest user to     become the active agent for spice-vdagentd, possibly     resulting in a denial of service or information leakage     from the host. The highest threat from this     vulnerability is to data confidentiality as well as     system availability. This flaw affects spice-vdagent     versions 0.20 and prior.(CVE-2020-25653)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote SUSE Linux SLES15 / SLES_SAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2803-1 advisory.

  - A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the     virtual machine. Any unprivileged local guest user with access to the UNIX domain socket path `/run/spice-     vdagentd/spice-vdagent-sock` could use this flaw to perform a memory denial of service for spice-vdagentd     or even other processes in the VM system. The highest threat from this vulnerability is to system     availability. This flaw affects spice-vdagent versions 0.20 and previous versions. (CVE-2020-25650)

  - A flaw was found in the SPICE file transfer protocol. File data from the host system can end up in full or     in parts in the client connection of an illegitimate local user in the VM system. Active file transfers     from other users could also be interrupted, resulting in a denial of service. The highest threat from this     vulnerability is to data confidentiality as well as system availability. This flaw affects spice-vdagent     versions 0.20 and prior. (CVE-2020-25651)

  - A flaw was found in the spice-vdagentd daemon, where it did not properly handle client connections that     can be established via the UNIX domain socket in `/run/spice-vdagentd/spice-vdagent-sock`. Any     unprivileged local guest user could use this flaw to prevent legitimate agents from connecting to the     spice-vdagentd daemon, resulting in a denial of service. The highest threat from this vulnerability is to     system availability. This flaw affects spice-vdagent versions 0.20 and prior. (CVE-2020-25652)

  - A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client     connections. This flaw may allow an unprivileged local guest user to become the active agent for spice-     vdagentd, possibly resulting in a denial of service or information leakage from the host. The highest     threat from this vulnerability is to data confidentiality as well as system availability. This flaw     affects spice-vdagent versions 0.20 and prior. (CVE-2020-25653)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES12 / SLES_SAP12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2766-1 advisory.

  - A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the     virtual machine. Any unprivileged local guest user with access to the UNIX domain socket path `/run/spice-     vdagentd/spice-vdagent-sock` could use this flaw to perform a memory denial of service for spice-vdagentd     or even other processes in the VM system. The highest threat from this vulnerability is to system     availability. This flaw affects spice-vdagent versions 0.20 and previous versions. (CVE-2020-25650)

  - A flaw was found in the SPICE file transfer protocol. File data from the host system can end up in full or     in parts in the client connection of an illegitimate local user in the VM system. Active file transfers     from other users could also be interrupted, resulting in a denial of service. The highest threat from this     vulnerability is to data confidentiality as well as system availability. This flaw affects spice-vdagent     versions 0.20 and prior. (CVE-2020-25651)

  - A flaw was found in the spice-vdagentd daemon, where it did not properly handle client connections that     can be established via the UNIX domain socket in `/run/spice-vdagentd/spice-vdagent-sock`. Any     unprivileged local guest user could use this flaw to prevent legitimate agents from connecting to the     spice-vdagentd daemon, resulting in a denial of service. The highest threat from this vulnerability is to     system availability. This flaw affects spice-vdagent versions 0.20 and prior. (CVE-2020-25652)

  - A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client     connections. This flaw may allow an unprivileged local guest user to become the active agent for spice-     vdagentd, possibly resulting in a denial of service or information leakage from the host. The highest     threat from this vulnerability is to data confidentiality as well as system availability. This flaw     affects spice-vdagent versions 0.20 and prior. (CVE-2020-25653)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SUSE15 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:2614-1 advisory.

  - A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the     virtual machine. Any unprivileged local guest user with access to the UNIX domain socket path `/run/spice-     vdagentd/spice-vdagent-sock` could use this flaw to perform a memory denial of service for spice-vdagentd     or even other processes in the VM system. The highest threat from this vulnerability is to system     availability. This flaw affects spice-vdagent versions 0.20 and previous versions. (CVE-2020-25650)

  - A flaw was found in the SPICE file transfer protocol. File data from the host system can end up in full or     in parts in the client connection of an illegitimate local user in the VM system. Active file transfers     from other users could also be interrupted, resulting in a denial of service. The highest threat from this     vulnerability is to data confidentiality as well as system availability. This flaw affects spice-vdagent     versions 0.20 and prior. (CVE-2020-25651)

  - A flaw was found in the spice-vdagentd daemon, where it did not properly handle client connections that     can be established via the UNIX domain socket in `/run/spice-vdagentd/spice-vdagent-sock`. Any     unprivileged local guest user could use this flaw to prevent legitimate agents from connecting to the     spice-vdagentd daemon, resulting in a denial of service. The highest threat from this vulnerability is to     system availability. This flaw affects spice-vdagent versions 0.20 and prior. (CVE-2020-25652)

  - A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client     connections. This flaw may allow an unprivileged local guest user to become the active agent for spice-     vdagentd, possibly resulting in a denial of service or information leakage from the host. The highest     threat from this vulnerability is to data confidentiality as well as system availability. This flaw     affects spice-vdagent versions 0.20 and prior. (CVE-2020-25653)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2614-1 advisory.

  - A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the     virtual machine. Any unprivileged local guest user with access to the UNIX domain socket path `/run/spice-     vdagentd/spice-vdagent-sock` could use this flaw to perform a memory denial of service for spice-vdagentd     or even other processes in the VM system. The highest threat from this vulnerability is to system     availability. This flaw affects spice-vdagent versions 0.20 and previous versions. (CVE-2020-25650)

  - A flaw was found in the SPICE file transfer protocol. File data from the host system can end up in full or     in parts in the client connection of an illegitimate local user in the VM system. Active file transfers     from other users could also be interrupted, resulting in a denial of service. The highest threat from this     vulnerability is to data confidentiality as well as system availability. This flaw affects spice-vdagent     versions 0.20 and prior. (CVE-2020-25651)

  - A flaw was found in the spice-vdagentd daemon, where it did not properly handle client connections that     can be established via the UNIX domain socket in `/run/spice-vdagentd/spice-vdagent-sock`. Any     unprivileged local guest user could use this flaw to prevent legitimate agents from connecting to the     spice-vdagentd daemon, resulting in a denial of service. The highest threat from this vulnerability is to     system availability. This flaw affects spice-vdagent versions 0.20 and prior. (CVE-2020-25652)

  - A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client     connections. This flaw may allow an unprivileged local guest user to become the active agent for spice-     vdagentd, possibly resulting in a denial of service or information leakage from the host. The highest     threat from this vulnerability is to data confidentiality as well as system availability. This flaw     affects spice-vdagent versions 0.20 and prior. (CVE-2020-25653)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-1791 advisory.

    [0.20.0-3]
    - Fix mouse problems in multi-monitor environments under Wayland       Resolves: rhbz#1790904 rhbz#1824610

    [0.20.0-2]
    - Resolves: CVE-2020-25650, CVE-2020-25651, CVE-2020-25652, CVE-2020-25653

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the CESA-2021:1791 advisory.

  - spice-vdagent: memory DoS via arbitrary entries in active_xfers hash table (CVE-2020-25650)

  - spice-vdagent: possible file transfer DoS and information leak via active_xfers hash map (CVE-2020-25651)

  - spice-vdagent: possibility to exhaust file descriptors in vdagentd (CVE-2020-25652)

  - spice-vdagent: UNIX domain socket peer PID retrieved via SO_PEERCRED is subject to race condition     (CVE-2020-25653)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:1791 advisory.

    The spice-vdagent packages provide a SPICE agent for Linux guests.

    Security Fix(es):

    * spice-vdagent: possible file transfer DoS and information leak via active_xfers hash map     (CVE-2020-25651)

    * spice-vdagent: UNIX domain socket peer PID retrieved via SO_PEERCRED is subject to race condition     (CVE-2020-25653)

    * spice-vdagent: memory DoS via arbitrary entries in active_xfers hash table (CVE-2020-25650)

    * spice-vdagent: possibility to exhaust file descriptors in vdagentd (CVE-2020-25652)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 32 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2021-510977db25 advisory.

  - A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the     virtual machine. Any unprivileged local guest user with access to the UNIX domain socket path `/run/spice-     vdagentd/spice-vdagent-sock` could use this flaw to perform a memory denial of service for spice-vdagentd     or even other processes in the VM system. The highest threat from this vulnerability is to system     availability. This flaw affects spice-vdagent versions 0.20 and previous versions. (CVE-2020-25650)

  - A flaw was found in the SPICE file transfer protocol. File data from the host system can end up in full or     in parts in the client connection of an illegitimate local user in the VM system. Active file transfers     from other users could also be interrupted, resulting in a denial of service. The highest threat from this     vulnerability is to data confidentiality as well as system availability. This flaw affects spice-vdagent     versions 0.20 and prior. (CVE-2020-25651)

  - A flaw was found in the spice-vdagentd daemon, where it did not properly handle client connections that     can be established via the UNIX domain socket in `/run/spice-vdagentd/spice-vdagent-sock`. Any     unprivileged local guest user could use this flaw to prevent legitimate agents from connecting to the     spice-vdagentd daemon, resulting in a denial of service. The highest threat from this vulnerability is to     system availability. This flaw affects spice-vdagent versions 0.20 and prior. (CVE-2020-25652)

  - A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client     connections. This flaw may allow an unprivileged local guest user to become the active agent for spice-     vdagentd, possibly resulting in a denial of service or information leakage from the host. The highest     threat from this vulnerability is to data confidentiality as well as system availability. This flaw     affects spice-vdagent versions 0.20 and prior. (CVE-2020-25653)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 33 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2021-09ce0cdfac advisory.

  - A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the     virtual machine. Any unprivileged local guest user with access to the UNIX domain socket path `/run/spice-     vdagentd/spice-vdagent-sock` could use this flaw to perform a memory denial of service for spice-vdagentd     or even other processes in the VM system. The highest threat from this vulnerability is to system     availability. This flaw affects spice-vdagent versions 0.20 and previous versions. (CVE-2020-25650)

  - A flaw was found in the SPICE file transfer protocol. File data from the host system can end up in full or     in parts in the client connection of an illegitimate local user in the VM system. Active file transfers     from other users could also be interrupted, resulting in a denial of service. The highest threat from this     vulnerability is to data confidentiality as well as system availability. This flaw affects spice-vdagent     versions 0.20 and prior. (CVE-2020-25651)

  - A flaw was found in the spice-vdagentd daemon, where it did not properly handle client connections that     can be established via the UNIX domain socket in `/run/spice-vdagentd/spice-vdagent-sock`. Any     unprivileged local guest user could use this flaw to prevent legitimate agents from connecting to the     spice-vdagentd daemon, resulting in a denial of service. The highest threat from this vulnerability is to     system availability. This flaw affects spice-vdagent versions 0.20 and prior. (CVE-2020-25652)

  - A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client     connections. This flaw may allow an unprivileged local guest user to become the active agent for spice-     vdagentd, possibly resulting in a denial of service or information leakage from the host. The highest     threat from this vulnerability is to data confidentiality as well as system availability. This flaw     affects spice-vdagent versions 0.20 and prior. (CVE-2020-25653)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Several vulnerabilities were discovered in spice-vdagent, a spice guest agent for enchancing SPICE integeration and experience.

CVE-2017-15108

spice-vdagent does not properly escape save directory before passing to shell, allowing local attacker with access to the session the agent runs in to inject arbitrary commands to be executed.

CVE-2020-25650

A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the virtual machine. Any unprivileged local guest user with access to the UNIX domain socket path `/run/spice-vdagentd/spice-vdagent-sock` could use this flaw to perform a memory denial of service for spice-vdagentd or even other processes in the VM system. The highest threat from this vulnerability is to system availability. This flaw affects spice-vdagent versions 0.20 and previous versions.

CVE-2020-25651

A flaw was found in the SPICE file transfer protocol. File data from the host system can end up in full or in parts in the client connection of an illegitimate local user in the VM system. Active file transfers from other users could also be interrupted, resulting in a denial of service. The highest threat from this vulnerability is to data confidentiality as well as system availability.

CVE-2020-25652

A flaw was found in the spice-vdagentd daemon, where it did not properly handle client connections that can be established via the UNIX domain socket in `/run/spice-vdagentd/spice-vdagent-sock`. Any unprivileged local guest user could use this flaw to prevent legitimate agents from connecting to the spice-vdagentd daemon, resulting in a denial of service. The highest threat from this vulnerability is to system availability. 

CVE-2020-25653

A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client connections. This flaw may allow an unprivileged local guest user to become the active agent for spice-vdagentd, possibly resulting in a denial of service or information leakage from the host. The highest threat from this vulnerability is to data confidentiality as well as system availability.

For Debian 9 stretch, these problems have been fixed in version 0.17.0-1+deb9u1.

We recommend that you upgrade your spice-vdagent packages.

For the detailed security status of spice-vdagent please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/spice-vdagent

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for spice-vdagent fixes the following issues :

Security issues fixed :

CVE-2020-25650: Fixed a memory DoS via arbitrary entries in `active_xfers` hash table (bsc#1177780).

CVE-2020-25651: Fixed a possible file transfer DoS and information leak via `active_xfers` hash map (bsc#1177781).

CVE-2020-25652: Fixed a possibility to exhaust file descriptors in `vdagentd` (bsc#1177782).

CVE-2020-25653: Fixed a race condition when the UNIX domain socket peer PID retrieved via `SO_PEERCRED` (bsc#1177783).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for spice-vdagent fixes the following issues :

Security issues fixed :

  - CVE-2020-25650: Fixed a memory DoS via arbitrary entries     in `active_xfers` hash table (bsc#1177780).

  - CVE-2020-25651: Fixed a possible file transfer DoS and     information leak via `active_xfers` hash map     (bsc#1177781).

  - CVE-2020-25652: Fixed a possibility to exhaust file     descriptors in `vdagentd` (bsc#1177782).

  - CVE-2020-25653: Fixed a race condition when the UNIX     domain socket peer PID retrieved via `SO_PEERCRED`     (bsc#1177783).

This update was imported from the SUSE:SLE-15-SP2:Update update project.

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4617-1 advisory.

    Matthias Gerstner discovered that SPICE vdagent incorrectly handled the active_xfers hash table. A local     attacker could possibly use this issue to cause SPICE vdagent to consume memory, resulting in a denial of     service. (CVE-2020-25650)

    Matthias Gerstner discovered that SPICE vdagent incorrectly handled the active_xfers hash table. A local     attacker could possibly use this issue to cause SPICE vdagent to consume memory, resulting in a denial of     service, or obtain sensitive file contents. (CVE-2020-25651)

    Matthias Gerstner discovered that SPICE vdagent incorrectly handled a large number of client connections.
    A local attacker could possibly use this issue to cause SPICE vdagent to consume resources, resulting in a     denial of service. (CVE-2020-25652)

    Matthias Gerstner discovered that SPICE vdagent incorrectly handled client connections. A local attacker     could possibly use this issue to obtain sensitive information, paste clipboard contents, and transfer     files into the active session. (CVE-2020-25653)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
195792	RHEL 7 : spice-vdagent (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	high
195788	RHEL 6 : spice-vdagent (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	high
184744	Rocky Linux 8 : spice-vdagent (RLSA-2021:1791)	Nessus	Rocky Linux Local Security Checks	medium
157500	AlmaLinux 8 : spice-vdagent (ALSA-2021:1791)	Nessus	Alma Linux Local Security Checks	medium
154374	EulerOS 2.0 SP3 : spice-vdagent (EulerOS-SA-2021-2617)	Nessus	Huawei Local Security Checks	medium
153265	EulerOS 2.0 SP2 : spice-vdagent (EulerOS-SA-2021-2452)	Nessus	Huawei Local Security Checks	medium
153060	EulerOS 2.0 SP5 : spice-vdagent (EulerOS-SA-2021-2350)	Nessus	Huawei Local Security Checks	medium
152709	SUSE SLES15 Security Update : spice-vdagent (SUSE-SU-2021:2803-1)	Nessus	SuSE Local Security Checks	medium
152654	SUSE SLES12 Security Update : spice-vdagent (SUSE-SU-2021:2766-1)	Nessus	SuSE Local Security Checks	medium
152406	EulerOS 2.0 SP8 : spice-vdagent (EulerOS-SA-2021-2316)	Nessus	Huawei Local Security Checks	medium
152304	EulerOS 2.0 SP9 : spice-vdagent (EulerOS-SA-2021-2257)	Nessus	Huawei Local Security Checks	medium
152281	EulerOS 2.0 SP9 : spice-vdagent (EulerOS-SA-2021-2283)	Nessus	Huawei Local Security Checks	medium
152263	openSUSE 15 Security Update : spice-vdagent (openSUSE-SU-2021:2614-1)	Nessus	SuSE Local Security Checks	medium
152239	SUSE SLED15 / SLES15 Security Update : spice-vdagent (SUSE-SU-2021:2614-1)	Nessus	SuSE Local Security Checks	medium
149956	Oracle Linux 8 : spice-vdagent (ELSA-2021-1791)	Nessus	Oracle Linux Local Security Checks	medium
149754	CentOS 8 : spice-vdagent (CESA-2021:1791)	Nessus	CentOS Local Security Checks	medium
149673	RHEL 8 : spice-vdagent (RHSA-2021:1791)	Nessus	Red Hat Local Security Checks	medium
146564	Fedora 32 : spice-vdagent (2021-510977db25)	Nessus	Fedora Local Security Checks	medium
146471	Fedora 33 : spice-vdagent (2021-09ce0cdfac)	Nessus	Fedora Local Security Checks	medium
144956	Debian DLA-2524-1 : spice-vdagent security update	Nessus	Debian Local Security Checks	high
143792	SUSE SLED15 / SLES15 Security Update : spice-vdagent (SUSE-SU-2020:3268-1)	Nessus	SuSE Local Security Checks	medium
142915	openSUSE Security Update : spice-vdagent (openSUSE-2020-1898)	Nessus	SuSE Local Security Checks	medium
142464	Ubuntu 18.04 LTS / 20.04 LTS : SPICE vdagent vulnerabilities (USN-4617-1)	Nessus	Ubuntu Local Security Checks	medium

Detections

Analytics

CVE-2020-25652

medium

Tenable Plugins

high

high

medium

medium

medium

medium

medium

medium

medium

medium

medium

medium

medium

medium

medium

medium

medium

medium

medium

high

medium

medium

medium