SUSE update for python

1) Input validation error

EUVDB-ID: #VU50814

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-23336

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform web cache spoofing attack.

The vulnerability exists due to insufficient validation of user-supplied input in django.utils.http.limited_parse_qsl() when parsing strings with a semicolon (";"). A remote attacker can pass specially crafted data to the application and perform a spoofing attack.

Mitigation

Update the affected package python to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP: 15-SP1 - 15-SP3

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

SUSE Manager Proxy: 4.0

SUSE Manager Retail Branch Server: 4.0

SUSE Manager Server: 4.0

SUSE Linux Enterprise High Performance Computing: 15-LTSS - 15-SP1-ESPOS

SUSE Enterprise Storage: 6

SUSE CaaS Platform: 4.0

SUSE Linux Enterprise Server: 15-LTSS - 15-SP1-LTSS

SUSE Linux Enterprise Module for Desktop Applications: 15-SP2 - 15-SP3

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

python-xml-debuginfo: before 2.7.18-7.55.1

python-xml: before 2.7.18-7.55.1

python-tk-debuginfo: before 2.7.18-7.55.1

python-tk: before 2.7.18-7.55.1

python-gdbm-debuginfo: before 2.7.18-7.55.1

python-gdbm: before 2.7.18-7.55.1

python-devel: before 2.7.18-7.55.1

python-debugsource: before 2.7.18-7.55.1

python-debuginfo: before 2.7.18-7.55.1

python-curses-debuginfo: before 2.7.18-7.55.1

python-curses: before 2.7.18-7.55.1

python-base-debugsource: before 2.7.18-7.55.1

python-base-debuginfo: before 2.7.18-7.55.1

python-base: before 2.7.18-7.55.1

python: before 2.7.18-7.55.1

libpython2_7-1_0-debuginfo: before 2.7.18-7.55.1

libpython2_7-1_0: before 2.7.18-7.55.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap:15-SP1:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap:15-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_module_for_python2:15-SP2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_module_for_python2:15-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_proxy:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_retail_branch_server:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_server:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing:15-LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing:15-ESPOS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing:15-SP1-LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_enterprise_storage:6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_caas_platform:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:15-LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_module_for_desktop_applications:15-SP2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_module_for_basesystem:15-SP2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:python-xml-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-xml:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-tk-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-tk:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-gdbm-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-gdbm:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-curses-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-curses:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-base-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-base-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-base:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libpython2_7-1_0-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libpython2_7-1_0:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2021/suse-su-20210768-1/

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.