CVE-2018-1000117 — Classic Buffer Overflow in Python

CWE-120 — Classic Buffer OverflowCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer3 documents3 sources
Severity
6.7MEDIUMNVD
EPSS
0.1%
top 78.85%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
PythonDebian Python2.7
Timeline
PublishedMar 7
Latest updateMay 14

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9

Affected Packages2 packages

▶NVDpython/python3.2.0 — 3.4.9+3

Patches

Patch: bugs.python.org ↗Patch: github.com ↗Patch: bugs.python.org ↗

🔴Vulnerability Details

1
GHSA
GHSA-9wwx-vjm7-9x2m: Python Software Foundation CPython version From 3↗2022-05-14
▶

📋Vendor Advisories

1
Debian
CVE-2018-1000117: python2.7 - Python Software Foundation CPython version From 3.2 until 3.6.4 on Windows conta...↗2018
▶