CVE-2018-1000117 Memory corruption in n/a
A buffer overflow in CPython's os.symlink on Windows allows arbitrary code execution and privilege escalation via crafted scripts.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-1000117?
CVE-2018-1000117 is a medium-severity memory corruption vulnerability in Python Python, published on 7 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Python Software Foundation CPython version From 3.2 until 3.6.4 on Windows contains a Buffer Overflow vulnerability in os.symlink() function on Windows that can result in Arbitrary code execution, likely escalation of privilege. This attack appears to be exploitable via a python script that creates a symlink with an attacker controlled name or location. This vulnerability appears to have been fixed in 3.7.0 and 3.6.5.
Weakness: CWE-120
Which versions are affected by CVE-2018-1000117?
It affects 1 product.
Products include Python Python.
How do I fix CVE-2018-1000117?
No fix has been published for CVE-2018-1000117 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-1000117 being exploited?
There is no known exploitation of CVE-2018-1000117 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Python Python
Sources
Also known as GHSA-9wwx-vjm7-9x2m, PSF-2022-2.