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Gentoo GLSA 202104-01 Moderate: Git Remote Code Execution Risk

gentoo
Calendar Grey April 30, 2021
Dist Gentoo Esm H88
Gentoo GLSA 202110-02 highlights a critical flaw in Apache, enabling unauthorized access risks. Users are strongly advised to update.
A vulnerability has been found in Git that could allow a remote attacker to execute arbitrary code.

Summary

It was discovered that Git could be fooled into running remote code during a clone on case-insensitive file systems with support for symbolic links, if Git is configured globally to apply delay-capable clean/smudge filters (such as Git LFS).

Topics%20covered

Topics Covered

security advisory moderate security issue gentoo code execution remote code execution moderate severity remote execution arbitrary code git

Resolution

All Git users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-vcs/git-2.26.3"

References

[ 1 ] CVE-2021-21300 https://nvd.nist.gov/vuln/detail/CVE-2021-21300

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202104-01
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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: Git: User-assisted execution of arbitrary code
Date: April 30, 2021
Bugs: #774678
ID: 202104-01

Topics%20covered

Topics Covered

security advisory moderate security issue gentoo code execution remote code execution moderate severity remote execution arbitrary code git

Synopsis

A vulnerability has been found in Git that could allow a remote attacker to execute arbitrary code.

Background

Git is a distributed version control system designed.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-vcs/git < 2.26.3 >= 2.26.3

Impact

===== A remote attacker could entice a user to clone a specially crafted repository, possibly resulting in the remote execution of arbitrary code with the privileges of the user running the application.

Workaround

There is no known workaround at this time.

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