Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU60731
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-2022-23645
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when the byte array representing the state of the TPM is accessed. A remote attacker can send a specially crafted header, trigger out-of-bounds read error and cause a denial of service condition on the system.
MitigationUpdate the affected package swtpm to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Server: 15-SP3-LTSS
SUSE Linux Enterprise High Performance Computing: 15-SP3-LTSS
openSUSE Leap: 15.3 - 15.4
SUSE Manager Server: 4.2
SUSE Manager Proxy: 4.2
SUSE Linux Enterprise Micro: 5.1
SUSE Linux Enterprise Server for SAP Applications: 15-SP3
SUSE Linux Enterprise Module for Server Applications: 15-SP3
swtpm-devel: before 0.5.3-150300.3.3.1
swtpm-debugsource: before 0.5.3-150300.3.3.1
swtpm-debuginfo: before 0.5.3-150300.3.3.1
swtpm: before 0.5.3-150300.3.3.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20221297-1/
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.