SUSE update for python3

1) Incorrect Regular Expression

EUVDB-ID: #VU71137

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-40899

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 improper input validation when processing the Set-Cookie header. A remote attacker can send a specially crafted HTTP request to the application and perform a regular expression denial of service (ReDoS) attack.

Mitigation

Update the affected package python3 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications: 12-SP3 - 12-SP5

SUSE Linux Enterprise High Performance Computing: 12

SUSE Linux Enterprise Server: 12-SP2-LTSS-ERICSSON - 12-SP5

SUSE Linux Enterprise Module for Web Scripting: 12

SUSE Linux Enterprise Software Development Kit: 12-SP5

python3-base-debuginfo-32bit: before 3.4.10-25.105.1

libpython3_4m1_0-debuginfo-32bit: before 3.4.10-25.105.1

libpython3_4m1_0-32bit: before 3.4.10-25.105.1

python3-tk-debuginfo: before 3.4.10-25.105.1

python3-tk: before 3.4.10-25.105.1

python3-curses-debuginfo: before 3.4.10-25.105.1

python3-curses: before 3.4.10-25.105.1

python3-base: before 3.4.10-25.105.1

python3: before 3.4.10-25.105.1

libpython3_4m1_0-debuginfo: before 3.4.10-25.105.1

libpython3_4m1_0: before 3.4.10-25.105.1

python3-devel-debuginfo: before 3.4.10-25.105.1

python3-devel: before 3.4.10-25.105.1

python3-debugsource: before 3.4.10-25.105.1

python3-debuginfo: before 3.4.10-25.105.1

python3-dbm-debuginfo: before 3.4.10-25.105.1

python3-dbm: before 3.4.10-25.105.1

python3-base-debugsource: before 3.4.10-25.105.1

python3-base-debuginfo: before 3.4.10-25.105.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230076-1/

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.