CVE-2014-8991 pip lack of randomness in build directory
Local attackers can prevent package installation by creating specific temporary files, affecting Python developers using pip.
- 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-2014-8991?
CVE-2014-8991 is a low-severity denial of service vulnerability in Oracle Solaris, published on 24 Nov 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
pip 1.3 through 1.5.6 allows local users to cause a denial of service (prevention of package installation) by creating a /tmp/pip-build-* file for another user.
Which versions are affected by CVE-2014-8991?
3 open source packages ship an affected version, including pip. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
pip PyPI | From 1.3 | 6.0 |
pip PyPI | From 1.3 | 6.0 |
pip PyPI | From 1.3 | 6.0 |
Products include Oracle Solaris, Pypa Pip.
How do I fix CVE-2014-8991?
Upgrade pip to 6.0 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2014-8991 being exploited?
There is no known exploitation of CVE-2014-8991 in the wild and no public exploit code.
Other vulnerabilities in Oracle Solaris
Sources
Also known as DEBIAN-CVE-2014-8991, GHSA-53mr-44pp-crf4, MGASA-2015-0023, PYSEC-2014-11, UBUNTU-CVE-2014-8991.