CVE-2023-35812

03.04.2024, 17:15

An issue was discovered in the Amazon Linux packages of OpenSSH 7.4 for Amazon Linux 1 and 2, because of an incomplete fix for CVE-2019-6111 within these specific packages. The fix had only covered cases where an absolute path is passed to scp. When a relative path is used, there is no verification that the name of a file received by the client matches the file requested. Fixed packages are available with numbers 7.4p1-22.78.amzn1 and 7.4p1-22.amzn2.0.2.

Path Traversal

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	5.3 MEDIUM	NETWORK	HIGH	NONE	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
mitre	CNA	5.3 MEDIUM	NETWORK	HIGH	NONE	CVSS:3.1/AC:H/AV:N/A:N/C:N/I:H/PR:N/S:U/UI:R
CVE	ADP	---				---
CISA-ADP	ADP	---				---

Awaiting analysis

This vulnerability is currently awaiting analysis.

Base Score

CVSS 3.x

EPSS Score

Percentile: 34%

Common Weakness Enumeration

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References

https://alas.aws.amazon.com/cve/html/CVE-2023-35812.html