SUSE update for 389-ds

Published: 2022-07-11

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-4091 CVE-2022-1949
CWE-ID	CWE-416 CWE-863
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	SUSE Linux Enterprise Server Operating systems & Components / Operating system SUSE Linux Enterprise Module for Server Applications Operating systems & Components / Operating system openSUSE Leap Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system libsvrcore0-debuginfo Operating systems & Components / Operating system package or component libsvrcore0 Operating systems & Components / Operating system package or component lib389 Operating systems & Components / Operating system package or component 389-ds-snmp-debuginfo Operating systems & Components / Operating system package or component 389-ds-snmp Operating systems & Components / Operating system package or component 389-ds-devel Operating systems & Components / Operating system package or component 389-ds-debugsource Operating systems & Components / Operating system package or component 389-ds-debuginfo Operating systems & Components / Operating system package or component 389-ds Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU60867

Risk: Medium

CVSSv3.1: 5 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-4091

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error when processing virtual attributes context in persistent searches. A remote user can send specially crafted search requests to the directory server, trigger a use-after-free error and crash the server.

Mitigation

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

Vulnerable software versions

SUSE Linux Enterprise Server: 15-SP4

SUSE Linux Enterprise Module for Server Applications: 15-SP4

openSUSE Leap: 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP4

libsvrcore0-debuginfo: before 2.0.15~git26.1ea6a6803-150400.3.5.1

libsvrcore0: before 2.0.15~git26.1ea6a6803-150400.3.5.1

lib389: before 2.0.15~git26.1ea6a6803-150400.3.5.1

389-ds-snmp-debuginfo: before 2.0.15~git26.1ea6a6803-150400.3.5.1

389-ds-snmp: before 2.0.15~git26.1ea6a6803-150400.3.5.1

389-ds-devel: before 2.0.15~git26.1ea6a6803-150400.3.5.1

389-ds-debugsource: before 2.0.15~git26.1ea6a6803-150400.3.5.1

389-ds-debuginfo: before 2.0.15~git26.1ea6a6803-150400.3.5.1

389-ds: before 2.0.15~git26.1ea6a6803-150400.3.5.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20222295-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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

2) Incorrect authorization

EUVDB-ID: #VU64440