SUSE update for python-lxml

1) NULL pointer dereference

EUVDB-ID: #VU66813

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-2022-2309

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error within the iterwalk() function. A remote attacker can pass specially crafted XML data to the application and perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

SUSE Enterprise Storage: 7.1

SUSE Manager Retail Branch Server: 4.1 - 4.3

SUSE Linux Enterprise Storage: 7.1

SUSE Linux Enterprise Module for Python2: 15-SP3

SUSE Manager Server: 4.1 - 4.3

SUSE Manager Proxy: 4.1 - 4.3

SUSE Linux Enterprise Server for SAP: 15-SP2

SUSE Linux Enterprise Server: 15-SP2-BCL - 15-SP4

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

SUSE Linux Enterprise High Performance Computing: 15-SP2-ESPOS - 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

python2-lxml-devel: before 4.7.1-150200.3.10.1

python2-lxml-debuginfo: before 4.7.1-150200.3.10.1

python2-lxml: before 4.7.1-150200.3.10.1

python3-lxml-doc: before 4.7.1-150200.3.10.1

python3-lxml-devel: before 4.7.1-150200.3.10.1

python3-lxml-debuginfo: before 4.7.1-150200.3.10.1

python3-lxml: before 4.7.1-150200.3.10.1

python-lxml-debugsource: before 4.7.1-150200.3.10.1

python-lxml-debuginfo: before 4.7.1-150200.3.10.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20222908-1/

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.