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RHEL 8 : openvswitch2.13 (RHSA-2020:2295)
medium Nessus Plugin ID 136899
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Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2295 advisory.Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic.
Security Fix(es):
* dpdk: librte_vhost Malicious guest could cause segfault by sending invalid Virtio descriptor (CVE-2020-10725)
* dpdk: librte_vhost Interger overflow in vhost_user_set_log_base() (CVE-2020-10722)
* dpdk: librte_vhost Integer truncation in vhost_user_check_and_alloc_queue_pair() (CVE-2020-10723)
* dpdk: librte_vhost Missing inputs validation in Vhost-crypto (CVE-2020-10724)
* dpdk: librte_vhost VHOST_USER_GET_INFLIGHT_FD message flooding to result in a DoS (CVE-2020-10726)
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.
Bug Fix(es):
* DPDK virtio_user lack of notifications make vhost_net+napi stops tx buffers (BZ#1803082)
* Update internal DPDK to 19.11.1 (BZ#1824825)
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.
Solution
Update the affected packages.See Also
http://www.nessus.org/u?ff14402d
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/errata/RHSA-2020:2295
https://bugzilla.redhat.com/show_bug.cgi?id=1803082
https://bugzilla.redhat.com/show_bug.cgi?id=1824825
https://bugzilla.redhat.com/show_bug.cgi?id=1828867
https://bugzilla.redhat.com/show_bug.cgi?id=1828874
https://bugzilla.redhat.com/show_bug.cgi?id=1828884
Plugin Details
Severity: Medium
ID: 136899
File Name: redhat-RHSA-2020-2295.nasl
Version: 1.11
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 5/27/2020
Updated: 11/7/2024
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: Medium
Base Score: 4.6
Temporal Score: 3.4
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2020-10723
CVSS v3
Risk Factor: Medium
Base Score: 6.7
Temporal Score: 5.8
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:openvswitch2.13, p-cpe:/a:redhat:enterprise_linux:network-scripts-openvswitch2.13, p-cpe:/a:redhat:enterprise_linux:openvswitch2.13-devel, p-cpe:/a:redhat:enterprise_linux:openvswitch2.13-test, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:python3-openvswitch2.13
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 5/26/2020
Vulnerability Publication Date: 5/19/2020
Reference Information
CVE: CVE-2020-10722, CVE-2020-10723, CVE-2020-10724, CVE-2020-10725, CVE-2020-10726