CVE-2014-1402 Incorrect Privilege Assignment in Jinja2
Local attackers can escalate privileges by exploiting insecure temporary file creation in the default Jinja2 bytecode cache configuration.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-1402?
CVE-2014-1402 is a medium-severity vulnerability in n/a, published on 19 May 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-264
Which versions are affected by CVE-2014-1402?
3 open source packages ship an affected version, including jinja2 and Jinja2. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
jinja2 PyPI | All versions | 2.7.2 |
jinja2 PyPI | All versions | 2.7.2 |
Jinja2 PyPI | All versions | 2.7.2 |
Linux distribution packages (12)
python-jinja2 Red Hat:enterprise_linux:6::client | All versions | 0:2.2.1-2.el6_5 |
python-jinja2-debuginfo Red Hat:enterprise_linux:6::client | All versions | 0:2.2.1-2.el6_5 |
python-jinja2 Red Hat:enterprise_linux:6::computenode | All versions | 0:2.2.1-2.el6_5 |
python-jinja2-debuginfo Red Hat:enterprise_linux:6::computenode | All versions | 0:2.2.1-2.el6_5 |
python-jinja2 Red Hat:enterprise_linux:6::server | All versions | 0:2.2.1-2.el6_5 |
python-jinja2-debuginfo Red Hat:enterprise_linux:6::server | All versions | 0:2.2.1-2.el6_5 |
python-jinja2 Red Hat:enterprise_linux:6::workstation | All versions | 0:2.2.1-2.el6_5 |
python-jinja2-debuginfo Red Hat:enterprise_linux:6::workstation | All versions | 0:2.2.1-2.el6_5 |
python27-python-jinja2 Red Hat:rhel_software_collections:1::el6 | All versions | 0:2.6-10.el6 |
python33-python-jinja2 Red Hat:rhel_software_collections:1::el6 | All versions | 0:2.6-11.el6 |
python27-python-jinja2 Red Hat:rhel_software_collections:1::el7 | All versions | 0:2.6-11.el7 |
python33-python-jinja2 Red Hat:rhel_software_collections:1::el7 | All versions | 0:2.6-12.el7 |
Products include Pocoo Jinja2.
How do I fix CVE-2014-1402?
Upgrade jinja2 to 2.7.2 or later.
Is CVE-2014-1402 being exploited?
There is no known exploitation of CVE-2014-1402 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2014-1402, GHSA-8r7q-cvjq-x353, MGASA-2014-0028, PYSEC-2014-8, RHSA-2014:0747, RHSA-2014:0748.