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GLSA-202105-17 : rxvt-unicode: User-assisted execution of arbitrary code

high Nessus Plugin ID 156996

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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-202105-17 (rxvt-unicode: User-assisted execution of arbitrary code)

 It was discovered that rxvt-unicode did not properly handle certain escape sequences.
 Impact :

 A remote attacker could entice a user to run a program where attacker controls the output inside a rxvt terminal window, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.
 Workaround :

 There is no known workaround at this time.

Solution

All rxvt-unicode users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=x11-terms/rxvt-unicode-9.22-r9'

See Also

https://security.gentoo.org/glsa/202105-17

Plugin Details

Severity: High

ID: 156996

File Name: gentoo_GLSA-202105-17.nasl

Version: 1.4

Type: local

Published: 1/24/2022

Updated: 12/21/2023

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:rxvt-unicode, 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: 5/26/2021

Vulnerability Publication Date: 5/20/2021

Reference Information

CVE: CVE-2021-33477

GLSA: 202105-17