RHEL 8 : freerdp (RHSA-2021:1849)

medium Nessus Plugin ID 149700
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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

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

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

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

- 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 TrioParse (CVE-2020-4030)

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

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

Solution

Update the affected packages.

See Also

https://cwe.mitre.org/data/definitions/20.html

https://cwe.mitre.org/data/definitions/122.html

https://cwe.mitre.org/data/definitions/125.html

https://cwe.mitre.org/data/definitions/129.html

https://cwe.mitre.org/data/definitions/190.html

https://cwe.mitre.org/data/definitions/805.html

https://access.redhat.com/security/cve/CVE-2020-4030

https://access.redhat.com/security/cve/CVE-2020-4033

https://access.redhat.com/security/cve/CVE-2020-11095

https://access.redhat.com/security/cve/CVE-2020-11096

https://access.redhat.com/security/cve/CVE-2020-11097

https://access.redhat.com/security/cve/CVE-2020-11098

https://access.redhat.com/security/cve/CVE-2020-11099

https://access.redhat.com/security/cve/CVE-2020-15103

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

https://bugzilla.redhat.com/1854843

https://bugzilla.redhat.com/1854847

https://bugzilla.redhat.com/1854850

https://bugzilla.redhat.com/1854876

https://bugzilla.redhat.com/1854895

https://bugzilla.redhat.com/1854899

https://bugzilla.redhat.com/1854910

https://bugzilla.redhat.com/1858909

Plugin Details

Severity: Medium

ID: 149700

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

Version: 1.4

Type: local

Agent: unix

Published: 5/19/2021

Updated: 10/7/2021

Dependencies: ssh_get_info.nasl, redhat_repos.nasl

Risk Information

CVSS Score Source: CVE-2020-4033

VPR

Risk Factor: Low

Score: 3.3

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

Temporal Vector: E:U/RL:OF/RC:C

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: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_tus:8.4, p-cpe:/a:redhat:enterprise_linux:freerdp, p-cpe:/a:redhat:enterprise_linux:freerdp-devel, p-cpe:/a:redhat:enterprise_linux:freerdp-libs, p-cpe:/a:redhat:enterprise_linux:libwinpr, p-cpe:/a:redhat:enterprise_linux:libwinpr-devel

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

RHSA: 2021:1849

CWE: 20, 122, 125, 129, 190, 805