Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU49517
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-2021-23926
CWE-ID:
CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper input validation when processing XML data. A remote attacker can pass specially crafted XML data to the application and perform XML Entity Expansion attacks.
Update the affected package xmlbeans to the latest version.
Vulnerable software versionsSUSE Enterprise Storage: 7.1
SUSE Manager Retail Branch Server: 4.1 - 4.3
SUSE Linux Enterprise Storage: 7.1
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
xmlbeans-scripts: before 2.6.0-150000.5.3.1
xmlbeans: before 2.6.0-150000.5.3.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20223875-1/
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.