SUSE update for syslog-ng

1) Integer overflow

EUVDB-ID: #VU72142

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-38725

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow in the RFC3164 parser. A remote attacker can send specially crafted data to the service, trigger an integer overflow and perform a denial of service (DoS) attack.

Mitigation

Update the affected package syslog-ng to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 11-SP4-LTSS-EXTREME-CORE

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

SUSE Linux Enterprise Server for SAP Applications: 12-SP4

SUSE Linux Enterprise Module for Legacy Software: 12

syslog-ng-debugsource: before 3.6.4-12.11.1

syslog-ng-debuginfo: before 3.6.4-12.11.1

syslog-ng: before 3.6.4-12.11.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server:11-SP4-LTSS-EXTREME-CORE:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing:15-SP3-LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications:12-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_module_for_legacy_software:12:*:*:*:*:*:*:*
• cpe:2.3:o:suse:syslog-ng-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:syslog-ng-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:syslog-ng:*:*:*:*:*:suse_linux:*:*

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230319-1/

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.