SUSE update for libksba

1) Integer overflow

EUVDB-ID: #VU70474

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-2022-47629

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in the CRL signature parser. A remote attacker can pass specially crafted data to the application, trigger an integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package libksba to the latest version.

Vulnerable software versions

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

SUSE Linux Enterprise Server: 15-SP1-LTSS - 15-SP3-LTSS

SUSE Linux Enterprise High Performance Computing: 15-SP1-LTSS - 15-SP3-LTSS

SUSE Enterprise Storage: 6 - 7.1

SUSE Manager Retail Branch Server: 4.2

SUSE CaaS Platform: 4.0

SUSE Manager Server: 4.2

SUSE Manager Proxy: 4.2

libksba-devel: before 1.3.5-150000.4.6.1

libksba8-debuginfo: before 1.3.5-150000.4.6.1

libksba8: before 1.3.5-150000.4.6.1

libksba-debugsource: before 1.3.5-150000.4.6.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230056-2/

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.