The default configuration for bccache.FileSystemBytecodeCache in Jinja2 before 2.7.2 does not properly create temporary files, which allows local users to gain privileges via a crafted .cache file with a name starting with __jinja2_ in /tmp.
https://oss.oracle.com/pipermail/el-errata/2014-June/004192.html
https://bugzilla.redhat.com/show_bug.cgi?id=1051421
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=734747
http://www.mandriva.com/security/advisories?name=MDVSA-2014:096
http://www.gentoo.org/security/en/glsa/glsa-201408-13.xml
http://secunia.com/advisories/60770
http://secunia.com/advisories/60738
http://secunia.com/advisories/59017
http://secunia.com/advisories/58918
http://secunia.com/advisories/58783
http://secunia.com/advisories/56287
http://rhn.redhat.com/errata/RHSA-2014-0748.html
http://rhn.redhat.com/errata/RHSA-2014-0747.html
http://openwall.com/lists/oss-security/2014/01/10/3
http://openwall.com/lists/oss-security/2014/01/10/2
Published: 2014-05-19
Updated: 2025-04-12
Base Score: 4.4
Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 8.4
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: High
Base Score: 8.6
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Severity: High