CVE-2014-0012

Publication date 19 May 2014

Last updated 4 August 2025

Ubuntu priority

Medium

Why this priority?

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
jinja2 14.04 LTS trusty
Not affected
13.10 saucy Ignored end of life
13.04 raring Ignored end of life
12.10 quantal Ignored end of life
12.04 LTS precise
Fixed 2.6-1ubuntu0.1
10.04 LTS lucid Ignored end of life

Notes

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.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
jinja2

References

Related Ubuntu Security Notices (USN)

Other references