SUSE update for python-Babel

1) Path traversal

EUVDB-ID: #VU66467

Risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-42771

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

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.

Mitigation

Update the affected package python-Babel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Python2: 15-SP2 - 15-SP3

SUSE MicroOS: 5.0 - 5.1

SUSE Linux Enterprise Module for Basesystem: 15-SP2 - 15-SP3

python2-Babel: before 2.8.0-3.3.1

python3-Babel: before 2.8.0-3.3.1

External links

http://www.suse.com/support/update/announcement/2021/suse-su-20213945-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.