SUSE update for python-Mako

1) Incorrect Regular Expression

EUVDB-ID: #VU67555

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-40023

CWE-ID: CWE-185 - Incorrect Regular Expression

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation when processing regular expressions within the Lexer class. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Mitigation

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

Vulnerable software versions

SUSE Enterprise Storage: 7.1

SUSE Manager Retail Branch Server: 4.2 - 4.3

SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP3 - 15-SP4

SUSE Manager Server: 4.2 - 4.3

SUSE Manager Proxy: 4.2 - 4.3

SUSE Linux Enterprise Module for Basesystem: 15-SP3 - 15-SP4

SUSE Linux Enterprise Desktop: 15-SP3 - 15-SP4

openSUSE Leap: 15.3 - 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

SUSE Linux Enterprise Server: 15-SP3 - 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP3 - 15-SP4

python2-Mako: before 1.0.7-150000.3.3.1

python3-Mako: before 1.0.7-150000.3.3.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20223979-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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