SUSE update for python

1) Resource exhaustion

EUVDB-ID: #VU69392

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-2022-45061

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to usage of an unnecessary quadratic algorithm in one path when processing some inputs to the IDNA (RFC 3490) decoder. A remote attacker can pass a specially crafted name to he decoder, trigger resource excessive CPU consumption and perform a denial of service (DoS) attack.

Mitigation

Update the affected package python to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Workstation Extension: 12-SP5

SUSE Linux Enterprise Desktop: 12-SP5

SUSE OpenStack Cloud Crowbar: 9

SUSE Linux Enterprise Server for SAP: 12-SP4

SUSE Linux Enterprise Server for SAP Applications: 12-SP5

SUSE Linux Enterprise Server: 12-SP4-LTSS - 12-SP5

SUSE OpenStack Cloud: 9

python-doc-pdf: before 2.7.18-33.17.1

python-doc: before 2.7.18-33.17.1

python-xml-debuginfo: before 2.7.18-33.17.1

python-xml: before 2.7.18-33.17.1

python-tk-debuginfo: before 2.7.18-33.17.1

python-tk: before 2.7.18-33.17.1

python-idle: before 2.7.18-33.17.1

python-gdbm-debuginfo: before 2.7.18-33.17.1

python-gdbm: before 2.7.18-33.17.1

python-devel: before 2.7.18-33.17.1

python-demo: before 2.7.18-33.17.1

python-debugsource: before 2.7.18-33.17.1

python-debuginfo-32bit: before 2.7.18-33.17.1

python-debuginfo: before 2.7.18-33.17.1

python-curses-debuginfo: before 2.7.18-33.17.1

python-curses: before 2.7.18-33.17.1

python-base-debugsource: before 2.7.18-33.17.1

python-base-debuginfo-32bit: before 2.7.18-33.17.1

python-base-debuginfo: before 2.7.18-33.17.1

python-base-32bit: before 2.7.18-33.17.1

python-base: before 2.7.18-33.17.1

python-32bit: before 2.7.18-33.17.1

python: before 2.7.18-33.17.1

libpython2_7-1_0-debuginfo-32bit: before 2.7.18-33.17.1

libpython2_7-1_0-debuginfo: before 2.7.18-33.17.1

libpython2_7-1_0-32bit: before 2.7.18-33.17.1

libpython2_7-1_0: before 2.7.18-33.17.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_workstation_extension:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_openstack_cloud_crowbar:9:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap:12-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP4-LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_openstack_cloud:9:*:*:*:*:*:*:*
• cpe:2.3:a:suse:python-doc-pdf:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-doc:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-xml-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-xml:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-tk-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-tk:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-idle:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-gdbm-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-gdbm:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-demo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-curses-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-curses:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-base-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-base-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-base-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-base-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-base:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libpython2_7-1_0-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libpython2_7-1_0-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libpython2_7-1_0-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libpython2_7-1_0:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20224275-1/

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.