SUSE update for libgsasl

1) Out-of-bounds read

EUVDB-ID: #VU65759

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-2469

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition in the "lib/gssapi/server.c". A remote authenticated GSS-API client can send specially crafted request to the GNU SASL server, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.

Mitigation

Update the affected package libgsasl to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for SUSE Manager Proxy: 4.2

SUSE Linux Enterprise Module for SUSE Manager Server: 4.2

SUSE Manager Server: 4.2

SUSE Manager Proxy: 4.2

libgsasl-lang: before 1.8.0-150300.3.3.1

libgsasl7-debuginfo: before 1.8.0-150300.3.3.1

libgsasl7: before 1.8.0-150300.3.3.1

libgsasl-debugsource: before 1.8.0-150300.3.3.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_module_for_suse_manager_proxy:4.2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_module_for_suse_manager_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:a:suse:libgsasl-lang:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libgsasl7-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libgsasl7:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libgsasl-debugsource:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20223561-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.