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CVE-2014-0012

Published: 19 May 2014

FileSystemBytecodeCache in Jinja2 2.7.2 does not properly create temporary directories, which allows local users to gain privileges by pre-creating a temporary directory with a user's uid. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-1402.

Notes

AuthorNote
mdeslaur
Introduced in 2.7.2, and in CVE-2014-1402 security fix.
2.7.2-2 in trusty switches to tempfile.mkdtemp which fixes the
security issue, but isn't an ideal fix for proper caching.

Priority

Medium

Status

Package Release Status
jinja2
Launchpad, Ubuntu, Debian
lucid Ignored
(end of life)
precise
Released (2.6-1ubuntu0.1)
quantal Ignored
(end of life)
raring Ignored
(end of life)
saucy Ignored
(end of life)
trusty Not vulnerable
(2.7.2-2)
upstream
Released (2.7.3,2.7.2-2)
Patches:
upstream: https://github.com/mitsuhiko/jinja2/commit/964c61ce79f6748ff8c583e2eb12ec54082bf188