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Gentoo: GLSA-202309-10 Normal: Fish Shell User-Assisted Threat

gentoo
Calendar Grey September 29, 2023
Dist Gentoo Esm H88
Gentoo GLSA 202309-11 outlines a vulnerability in the fish shell that could allow users to execute malicious code by interacting with compromised git repositories.
A vulnerability was discovered in Fish when handling git repository configuration that may lead to execution of arbitrary code

Summary

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

Topics%20covered

Topics Covered

security advisory Gentoo arbitrary code execution normal severity 鱼壳 user-assist git configuration

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
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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.

Severity: Normal
Title: Fish: User-assisted execution of arbitrary code
Date: September 29, 2023
Bugs: #835337
ID: 202309-10

Topics%20covered

Topics Covered

security advisory Gentoo arbitrary code execution normal severity 鱼壳 user-assist git configuration

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.

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Affected Packages

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

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.

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