Arch Linux 811 Published by

A python-babel security update has been released for Arch Linux.



ASA-202105-15: python-babel: arbitrary code execution


Arch Linux Security Advisory ASA-202105-15
=========================================
Severity: Medium
Date : 2021-05-19
CVE-ID : CVE-2021-20095
Package : python-babel
Type : arbitrary code execution
Remote : No
Link :   https://security.archlinux.org/AVG-1894

Summary
======
The package python-babel before version 2.9.1-1 is vulnerable to
arbitrary code execution.

Resolution
=========
Upgrade to 2.9.1-1.

# pacman -Syu "python-babel>=2.9.1-1"

The problem has been fixed upstream in version 2.9.1.

Workaround
=========
None.

Description
==========
Relative Path Traversal in Babel 2.9.0 allows an attacker to load
arbitrary locale files on disk and execute arbitrary code.

Impact
=====
A local attacker could load arbitrary locale files through path
traversal using a crafted locale identifier and execute arbitrary code.

References
=========
  https://www.tenable.com/security/research/tra-2021-14
  https://github.com/python-babel/babel/pull/782
  https://github.com/python-babel/babel/commit/412015ef642bfcc0d8ba8f4d05cdbb6aac98d9b3
  https://security.archlinux.org/CVE-2021-20095