SUSE update for 389-ds

1) NULL pointer dereference

EUVDB-ID: #VU54107

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-3514

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error when using a sync_repl client in 389-ds-base. A remote authenticated user can cause a NULL pointer dereference using a specially crafted query and perform a denial of service (DoS) attack.

Mitigation

Update the affected package 389-ds to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Server Applications: 15-SP2

libsvrcore0-debuginfo: before 1.4.3.23~git0.f53d0132b-3.15.1

libsvrcore0: before 1.4.3.23~git0.f53d0132b-3.15.1

lib389: before 1.4.3.23~git0.f53d0132b-3.15.1

389-ds-devel: before 1.4.3.23~git0.f53d0132b-3.15.1

389-ds-debugsource: before 1.4.3.23~git0.f53d0132b-3.15.1

389-ds-debuginfo: before 1.4.3.23~git0.f53d0132b-3.15.1

389-ds: before 1.4.3.23~git0.f53d0132b-3.15.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_module_for_server_applications:15-SP2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:libsvrcore0-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libsvrcore0:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:lib389:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:389-ds-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:389-ds-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:389-ds-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:389-ds:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2021/suse-su-20211878-1/

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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