SUSE update for ldb, samba

1) Resource management error

EUVDB-ID: #VU66202

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

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, samba to the latest version.

Vulnerable software versions

SUSE Linux Enterprise High Availability: 15-SP4

SUSE Linux Enterprise Module for Basesystem: 15-SP4

SUSE Linux Enterprise Desktop: 15-SP4

SUSE Linux Enterprise Server: 15-SP4

openSUSE Leap: 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP4

samba-winbind-libs-32bit-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-winbind-libs-32bit: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-libs-python3-32bit-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-libs-python3-32bit: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-libs-32bit-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-libs-32bit: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-devel-32bit: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-client-libs-32bit-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-client-libs-32bit: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-client-32bit-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-client-32bit: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-ad-dc-libs-32bit-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-ad-dc-libs-32bit: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

libsamba-policy0-python3-32bit-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

libsamba-policy0-python3-32bit: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-doc: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-ceph-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-ceph: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-winbind-libs-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-winbind-libs: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-winbind-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-winbind: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-tool: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-test-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-test: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-python3-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-python3: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-libs-python3-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-libs-python3: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-libs-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-libs: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-ldb-ldap-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-ldb-ldap: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-gpupdate: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-dsdb-modules-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-dsdb-modules: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-devel: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-debugsource: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-client-libs-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-client-libs: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-client-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-client: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-ad-dc-libs-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-ad-dc-libs: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-ad-dc-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba-ad-dc: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

samba: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

libsamba-policy0-python3-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

libsamba-policy0-python3: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

libsamba-policy-python3-devel: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

libsamba-policy-devel: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

ctdb-pcp-pmda-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

ctdb-pcp-pmda: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

ctdb-debuginfo: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

ctdb: before 4.15.7+git.376.dd43aca9ab2-150400.3.5.3

python3-ldb-32bit-debuginfo: before 2.4.2-150400.4.3.11

python3-ldb-32bit: before 2.4.2-150400.4.3.11

libldb2-32bit-debuginfo: before 2.4.2-150400.4.3.11

libldb2-32bit: before 2.4.2-150400.4.3.11

python3-ldb-devel: before 2.4.2-150400.4.3.11

python3-ldb-debuginfo: before 2.4.2-150400.4.3.11

python3-ldb: before 2.4.2-150400.4.3.11

libldb2-debuginfo: before 2.4.2-150400.4.3.11

libldb2: before 2.4.2-150400.4.3.11

libldb-devel: before 2.4.2-150400.4.3.11

ldb-tools-debuginfo: before 2.4.2-150400.4.3.11

ldb-tools: before 2.4.2-150400.4.3.11

ldb-debugsource: before 2.4.2-150400.4.3.11

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_high_availability:15-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_module_for_basesystem:15-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop:15-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:15-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications:15-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing:15-SP4:*:*:*:*:*:*:*
• cpe:2.3:a:suse:samba-winbind-libs-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-winbind-libs-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-libs-python3-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-libs-python3-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-libs-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-libs-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-devel-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-client-libs-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-client-libs-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-client-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-client-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-ad-dc-libs-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-ad-dc-libs-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libsamba-policy0-python3-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libsamba-policy0-python3-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-doc:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-ceph-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-ceph:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-winbind-libs-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-winbind-libs:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-winbind-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-winbind:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-tool:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-test-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-test:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-python3-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-python3:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-libs-python3-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-libs-python3:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-libs-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-libs:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-ldb-ldap-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-ldb-ldap:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-gpupdate:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-dsdb-modules-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-dsdb-modules:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-client-libs-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-client-libs:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-client-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-client:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-ad-dc-libs-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-ad-dc-libs:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-ad-dc-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba-ad-dc:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:samba:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libsamba-policy0-python3-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libsamba-policy0-python3:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libsamba-policy-python3-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libsamba-policy-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ctdb-pcp-pmda-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ctdb-pcp-pmda:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ctdb-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ctdb:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-ldb-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-ldb-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libldb2-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libldb2-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-ldb-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-ldb-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-ldb:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libldb2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libldb2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libldb-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ldb-tools-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ldb-tools:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ldb-debugsource:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20222307-1/

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.