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GLSA-202209-07 : Mrxvt: Arbitrary Code Execution

high Nessus Plugin ID 165445

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Description

The remote host is affected by the vulnerability described in GLSA-202209-07 (Mrxvt: Arbitrary Code Execution)

 - rxvt-unicode 9.22, rxvt 2.7.10, mrxvt 0.5.4, and Eterm 0.9.7 allow (potentially remote) code execution because of improper handling of certain escape sequences (ESC G Q). A response is terminated by a newline.
 (CVE-2021-33477)

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

Solution

Gentoo has discontinued support for Mrxvt. We recommend that users remove it:

 # emerge --ask --depclean x11-terms/mrxvt

See Also

https://security.gentoo.org/glsa/202209-07

https://bugs.gentoo.org/show_bug.cgi?id=791004

Plugin Details

Severity: High

ID: 165445

File Name: gentoo_GLSA-202209-07.nasl

Version: 1.3

Type: local

Published: 9/25/2022

Updated: 10/10/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.1

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

CVSS Score Source: CVE-2021-33477

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:mrxvt, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/25/2022

Vulnerability Publication Date: 5/20/2021

Reference Information

CVE: CVE-2021-33477