SUSE update for libksba

1) Integer overflow

EUVDB-ID: #VU68376

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-3515

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 within the CRL parser in libksba. 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 Micro: 5.1 - 5.3

openSUSE Leap Micro: 5.2

SUSE Enterprise Storage: 6 - 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-SP1 - 15-SP2

SUSE Linux Enterprise Server: 15-LTSS - 15-SP4

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

SUSE Linux Enterprise High Performance Computing: 15-LTSS - 15-SP4

SUSE Linux Enterprise Desktop: 15-SP3 - 15-SP4

SUSE CaaS Platform: 4.0

openSUSE Leap: 15.3 - 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

libksba-devel: before 1.3.5-150000.4.3.1

libksba8-debuginfo: before 1.3.5-150000.4.3.1

libksba8: before 1.3.5-150000.4.3.1

libksba-debugsource: before 1.3.5-150000.4.3.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_micro:5.1:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_micro:5.2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_micro:5.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap_micro:5.2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_enterprise_storage:6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_enterprise_storage:7.1:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_retail_branch_server:4.1:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_retail_branch_server:4.2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_retail_branch_server:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_storage:7.1:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_server:4.1:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_proxy:4.1:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap:15-SP1:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:15-LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_module_for_basesystem:15-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing:15-LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop:15-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_caas_platform:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications:15-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:libksba-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libksba8-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libksba8:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libksba-debugsource:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20223683-1/

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.