CVE-2014-0012

Severity: medium (CVSS 4.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2014-05-19 · updated 2026-06-17
Weakness: CWE-264

Description

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.

Affected products

Pocoo Jinja2: 2.7.2

References

http://seclists.org/oss-sec/2014/q1/73
http://secunia.com/advisories/56328
http://secunia.com/advisories/60738
http://www.gentoo.org/security/en/glsa/glsa-201408-13.xml
https://bugzilla.redhat.com/show_bug.cgi?id=1051421
https://github.com/mitsuhiko/jinja2/commit/acb672b6a179567632e032f547582f30fa2f4aa7
https://github.com/mitsuhiko/jinja2/pull/292
https://github.com/mitsuhiko/jinja2/pull/296
http://seclists.org/oss-sec/2014/q1/73
http://secunia.com/advisories/56328
http://secunia.com/advisories/60738
http://www.gentoo.org/security/en/glsa/glsa-201408-13.xml

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