Gentoo: GLSA-202310-21 Critical: vim Potential Security Risk
gentoo
October 30, 2023
A vulnerability has been discovered in rxvt-unicode where data written to the terminal can lead to code execution.
Summary
A vulnerability has been discovered in rxvt-unicode. Please review the
CVE identifiers referenced below for details.
Topics Covered
Resolution
All rxvt-unicode users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=x11-terms/rxvt-unicode-9.30"
# emerge --sync # emerge --ask --oneshot --verbose ">=x11-terms/rxvt-unicode-9.30"
References
[ 1 ] CVE-2022-4170
https://nvd.nist.gov/vuln/detail/CVE-2022-4170
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202310-20
style>.gentoo_availability{display:block;}
Concerns
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.
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Severity: High
Title: rxvt-unicode: Arbitrary Code Execution
Date: October 30, 2023
Bugs: #884787
ID: 202310-20
Topics Covered
Background
rxvt-unicode is a clone of the well known terminal emulator rxvt.
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Affected Packages
Package Vulnerable Unaffected
---------------------- ------------ ------------
x11-terms/rxvt-unicode < 9.30 >= 9.30
Impact
in the Perl background extension, when an attacker can
control the data written to the user's terminal and certain options are
set.
The "background" extension is automatically loaded if certain X resources are set such as 'transparent' (see the full list at the top of src/perl/background[1]). So it is possible to be using this extension without realising it.
The "background" extension is automatically loaded if certain X resources are set such as 'transparent' (see the full list at the top of src/perl/background[1]). So it is possible to be using this extension without realising it.
Workaround
There is no known workaround at this time.
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