Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU60922
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-23308
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing ID and IDREF attributes in valid.c. A remote attacker can pass specially crafted XML input to the application, trigger a use-after-free error and crash the application or execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationUpdate the affected package libxml2 to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Server: 11-SP4-LTSS-EXTREME-CORE
SUSE Linux Enterprise Point of Sale: 11-SP3
SUSE Linux Enterprise Debuginfo: 11-SP3 - 11-SP4
libxml2-python-debugsource: before 2.7.6-0.77.43.1
libxml2-python-debuginfo: before 2.7.6-0.77.43.1
libxml2-debugsource: before 2.7.6-0.77.43.1
libxml2-debuginfo: before 2.7.6-0.77.43.1
libxml2-32bit: before 2.7.6-0.77.43.1
libxml2-python: before 2.7.6-0.77.43.1
libxml2-doc: before 2.7.6-0.77.43.1
libxml2: before 2.7.6-0.77.43.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-202214904-1/
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.