SUSE update for python3

1) Incorrect Regular Expression

EUVDB-ID: #VU71137

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

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

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications:12-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications:12-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing:12:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP2-LTSS-ERICSSON:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_module_for_web_scripting:12:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_software_development_kit:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:a:suse:python3-base-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libpython3_4m1_0-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libpython3_4m1_0-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-tk-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-tk:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-curses-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-curses:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-base:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libpython3_4m1_0-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libpython3_4m1_0:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-devel-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-dbm-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-dbm:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-base-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-base-debuginfo:*:*:*:*:*:suse_linux:*:*

External links

https://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.