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Gentoo Linux Security Advisory                           GLSA 202309-10
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Fish: User-assisted execution of arbitrary code
     Date: September 29, 2023
     Bugs: #835337
       ID: 202309-10

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Synopsis
=======
A vulnerability was discovered in Fish when handling git repository
configuration that may lead to execution of arbitrary code

Background
=========
Smart and user-friendly command line shell for macOS, Linux, and the
rest of the family. It includes features like syntax highlighting,
autosuggest-as-you-type, and fancy tab completions that just work, with
no configuration required.

Affected packages
================
Package          Vulnerable    Unaffected
---------------  ------------  ------------
app-shells/fish  < 3.4.0       >= 3.4.0

Description
==========
A vulnerability have been discovered in Fish. Please review the CVE
identifiers referenced below for details.

Impact
=====
A user may be enticed to cd into a git repository under control by an
attacker (e.g. on a shared filesystem or by unpacking an archive) and
execute arbitrary commands.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All fish users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-shells/fish-3.4.0"

References
=========
[ 1 ] CVE-2022-20001
      https://nvd.nist.gov/vuln/detail/CVE-2022-20001

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202309-10

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.

License
======
Copyright 2023 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5