#VU66467 Path traversal in Babel - CVE-2021-42771

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Main Vulnerability Database Vulnerabilities #VU66467

#VU66467 Path traversal in Babel - CVE-2021-42771

Published: August 12, 2022


Vulnerability identifier: #VU66467
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-42771
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Babel
Software vendor:
The Babel Team

Description

The vulnerability allows a remote attacker to user compromise the affected system.

The vulnerability exists due to input validation error when processing directory traversal sequences within the locale .dat files in Babel.Locale. A remote user can load a malicious .dat file containing serialized Python objects and execute arbitrary code on the system.


Remediation

Install update from vendor's website.

External links