Arch Linux alert ASA-202105-15 (python-babel)

From:
             
 
Jonas Witschel via arch-security <arch-security@lists.archlinux.org>
To:
             
 
arch-security@lists.archlinux.org
Subject:
             
 
[ASA-202105-15] python-babel: arbitrary code execution
Date:
             
 
Thu, 20 May 2021 20:06:43 +0200
Message-ID:
             
 
<20210520180643.4zlscx3xtyjjn32n@archlinux.org>
Cc:
             
 
Jonas Witschel <diabonas@archlinux.org>
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/412015ef642b...
https://security.archlinux.org/CVE-2021-20095