CentOS 8 : freerdp (CESA-2021:1849)

medium Nessus Plugin ID 149733
New! Plugin Severity Now Using CVSS v3

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The remote CentOS host is missing one or more security updates.


The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-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.


Update the affected packages.

See Also


Plugin Details

Severity: Medium

ID: 149733

File Name: centos8_RHSA-2021-1849.nasl

Version: 1.3

Type: local

Agent: unix

Published: 5/19/2021

Updated: 6/2/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2020-4033


Risk Factor: Low

Score: 3.3


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


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:centos:centos:8-stream, p-cpe:/a:centos:centos:freerdp, p-cpe:/a:centos:centos:freerdp-devel, p-cpe:/a:centos:centos:freerdp-libs, p-cpe:/a:centos:centos:libwinpr, p-cpe:/a:centos:centos:libwinpr-devel

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/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