CVE-2010-2542

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-08-11 · updated 2026-06-16
Weakness: CWE-787

Description

Stack-based buffer overflow in the is_git_directory function in setup.c in Git before 1.7.2.1 allows local users to gain privileges via a long gitdir: field in a .git file in a working copy.

Affected products

git: before 1.7.2.1 — fixed in 1.7.2.1

How to fix

Upgrade to a fixed version: git 1.7.2.1. Check the vendor advisory for mitigations.

References

http://git.kernel.org/?p=git/git.git%3Ba=commit%3Bh=3c9d0414ed2db0167e6c828b547be8fc9f88fccc
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00004.html
http://secunia.com/advisories/43457
http://www.kernel.org/pub/software/scm/git/docs/RelNotes-1.7.2.1.txt
http://www.openwall.com/lists/oss-security/2010/07/22/1
http://www.openwall.com/lists/oss-security/2010/07/22/4
http://www.securityfocus.com/bid/41891
http://www.vupen.com/english/advisories/2011/0464
https://bugzilla.redhat.com/show_bug.cgi?id=618108
http://git.kernel.org/?p=git/git.git%3Ba=commit%3Bh=3c9d0414ed2db0167e6c828b547be8fc9f88fccc
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00004.html
http://secunia.com/advisories/43457

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