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PYSEC-2015-34

Details

The build_index_from_tree function in index.py in Dulwich before 0.9.9 allows remote attackers to execute arbitrary code via a commit with a directory path starting with .git/, which is not properly handled when checking out a working tree.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI / dulwich

Introduced in: 0 Fixed in: 0.9.9

Fix pip install --upgrade 'dulwich>=0.9.9'

References

http://www.openwall.com/lists/oss-security/2015/03/21/1 [WEB]
https://lists.launchpad.net/dulwich-users/msg00827.html [WEB]
http://www.debian.org/security/2015/dsa-3206 [ADVISORY]
http://www.openwall.com/lists/oss-security/2015/03/22/26 [WEB]
https://git.samba.org/?p=jelmer/dulwich.git;a=commitdiff;h=091638be3c89f46f42c3b1d57dc1504af5729176 [WEB]
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154523.html [WEB]
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154551.html [WEB]
https://github.com/advisories/GHSA-4j5j-58j7-6c3w [ADVISORY]