RHEL 8 : freerdp (RHSA-2021:1849)

medium Nessus Plugin ID 149700

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-2021:1849 advisory.

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license.
The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.

The following packages have been upgraded to a later upstream version: freerdp (2.2.0). (BZ#1881971)

Security Fix(es):

* freerdp: out of bounds read in TrioParse (CVE-2020-4030)

* freerdp: out of bound reads resulting in accessing memory location outside of static array PRIMARY_DRAWING_ORDER_FIELD_BYTES (CVE-2020-11095)

* freerdp: out of bounds read in PRIMARY_DRAWING_ORDER_FIELD_BYTES (CVE-2020-11097)

* freerdp: out of bounds read in license_read_new_or_upgrade_license_packet (CVE-2020-11099)

* freerdp: integer overflow due to missing input sanitation in rdpegfx channel (CVE-2020-15103)

* freerdp: out-of-bounds read in RLEDECOMPRESS (CVE-2020-4033)

* freerdp: out-of-bound read in update_read_cache_bitmap_v3_order (CVE-2020-11096)

* freerdp: out-of-bound read in glyph_cache_put (CVE-2020-11098)

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.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?862005a9

http://www.nessus.org/u?ce8bb51b

https://access.redhat.com/security/updates/classification/#moderate

https://access.redhat.com/errata/RHSA-2021:1849

https://bugzilla.redhat.com/show_bug.cgi?id=1854843

https://bugzilla.redhat.com/show_bug.cgi?id=1854847

https://bugzilla.redhat.com/show_bug.cgi?id=1854850

https://bugzilla.redhat.com/show_bug.cgi?id=1854876

https://bugzilla.redhat.com/show_bug.cgi?id=1854895

https://bugzilla.redhat.com/show_bug.cgi?id=1854899

https://bugzilla.redhat.com/show_bug.cgi?id=1854910

https://bugzilla.redhat.com/show_bug.cgi?id=1858909

https://bugzilla.redhat.com/show_bug.cgi?id=1881971

Plugin Details

Severity: Medium

ID: 149700

File Name: redhat-RHSA-2021-1849.nasl

Version: 1.10

Type: local

Agent: unix

Published: 5/19/2021

Updated: 11/7/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.5

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:P

CVSS Score Source: CVE-2020-4033

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:freerdp, p-cpe:/a:redhat:enterprise_linux:libwinpr-devel, p-cpe:/a:redhat:enterprise_linux:libwinpr, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:freerdp-devel, p-cpe:/a:redhat:enterprise_linux:freerdp-libs

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: 5/18/2021

Vulnerability Publication Date: 6/22/2020

Reference Information

CVE: CVE-2020-11095, CVE-2020-11096, CVE-2020-11097, CVE-2020-11098, CVE-2020-11099, CVE-2020-15103, CVE-2020-4030, CVE-2020-4033

CWE: 122, 125

RHSA: 2021:1849