CVE-2014-1859 Numpy arbitrary file write via symlink attack
Local attackers can write to arbitrary files via symlink attacks on temporary files in NumPy test and f2py modules.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-1859?
CVE-2014-1859 is a medium-severity path traversal vulnerability in Fedoraproject Fedora, published on 8 Jan 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
(1) core/tests/test_memmap.py, (2) core/tests/test_multiarray.py, (3) f2py/f2py2e.py, and (4) lib/tests/test_io.py in NumPy before 1.8.1 allow local users to write to arbitrary files via a symlink attack on a temporary file.
Weakness: CWE-59
Which versions are affected by CVE-2014-1859?
3 open source packages ship an affected version, including numpy. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
numpy PyPI | All versions | 1.8.1 |
numpy PyPI | All versions | 1.8.1 |
numpy PyPI | All versions | 1.8.1 |
Products include Fedoraproject Fedora, Numpy Numpy, Redhat Enterprise Linux.
How do I fix CVE-2014-1859?
Upgrade numpy to 1.8.1 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2014-1859 being exploited?
There is no known exploitation of CVE-2014-1859 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as GHSA-2fc2-6r4j-p65h, PYSEC-2018-34.