SUSE update for libqb

1) Buffer overflow

EUVDB-ID: #VU79803

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-2023-39976

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in log_blackbox.c. A remote attacker can send an overly long log message tp the application, trigger memory corruption 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 libqb to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server 15 SP3 Business Critical Linux: 15-SP3

SUSE Linux Enterprise High Availability Extension 15: SP3

SUSE Linux Enterprise Server for SAP Applications 15: SP3

SUSE Linux Enterprise Server 15: SP3

SUSE Linux Enterprise High Performance Computing 15: SP3

SUSE Manager Retail Branch Server: 4.2

SUSE Manager Server: 4.2

SUSE Manager Proxy: 4.2

doxygen2man-debuginfo: before 2.0.2+20201203.def947e-150300.3.6.1

libqb-tools: before 2.0.2+20201203.def947e-150300.3.6.1

libqb100-debuginfo: before 2.0.2+20201203.def947e-150300.3.6.1

libqb-tests: before 2.0.2+20201203.def947e-150300.3.6.1

libqb100: before 2.0.2+20201203.def947e-150300.3.6.1

libqb-debugsource: before 2.0.2+20201203.def947e-150300.3.6.1

libqb-tools-debuginfo: before 2.0.2+20201203.def947e-150300.3.6.1

doxygen2man: before 2.0.2+20201203.def947e-150300.3.6.1

libqb-tests-debuginfo: before 2.0.2+20201203.def947e-150300.3.6.1

libqb-devel: before 2.0.2+20201203.def947e-150300.3.6.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp3_business_critical_linux:15-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_availability_extension_15:SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_retail_branch_server:4.2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_server:4.2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_proxy:4.2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:doxygen2man-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libqb-tools:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libqb100-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libqb-tests:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libqb100:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libqb-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libqb-tools-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:doxygen2man:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libqb-tests-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libqb-devel:*:*:*:*:*:suse_linux:*:*

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20233727-1/

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.