CVE-2021-42771 Information

Description

Babel.Locale in Babel before 2.9.1 allows attackers to load arbitrary locale .dat files (containing serialized Python objects) via directory traversal leading to code execution.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://www.tenable.com/security/research/tra-2021-14 https://lists.debian.org/debian-lts/2021/10/msg00040.html https://github.com/python-babel/babel/pull/782 https://lists.debian.org/debian-lts-announce/2021/10/msg00018.html https://www.debian.org/security/2021/dsa-5018

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8