SUSE update for ldb

1) Resource management error

EUVDB-ID: #VU66202

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3670

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to Samba AD DC LDAP does not honor the MaxQueryDuration option when handling LDAP requests. A remote user can execute heavy queries and perform a denial of service (DoS) attack.

Mitigation

Update the affected package ldb to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 15-SP3-LTSS

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

SUSE Enterprise Storage: 7.1

SUSE Linux Enterprise Micro: 5.1 - 5.2

SUSE Linux Enterprise Desktop: 15-SP3

openSUSE Leap: 15.3

SUSE Manager Server: 4.2

SUSE Manager Proxy: 4.2

SUSE Linux Enterprise Server for SAP Applications: 15-SP3

SUSE Linux Enterprise Module for Basesystem: 15-SP3

python3-ldb-32bit-debuginfo: before 2.4.2-150300.3.15.1

python3-ldb-32bit: before 2.4.2-150300.3.15.1

libldb2-32bit-debuginfo: before 2.4.2-150300.3.15.1

libldb2-32bit: before 2.4.2-150300.3.15.1

python3-ldb-devel: before 2.4.2-150300.3.15.1

python3-ldb-debuginfo: before 2.4.2-150300.3.15.1

python3-ldb: before 2.4.2-150300.3.15.1

libldb2-debuginfo: before 2.4.2-150300.3.15.1

libldb2: before 2.4.2-150300.3.15.1

libldb-devel: before 2.4.2-150300.3.15.1

ldb-tools-debuginfo: before 2.4.2-150300.3.15.1

ldb-tools: before 2.4.2-150300.3.15.1

ldb-debugsource: before 2.4.2-150300.3.15.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221576-1/

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.