SUSE update for samba

Published: 2023-01-03

Risk	High
Patch available	YES
Number of vulnerabilities	3
CVE-ID	CVE-2022-37966 CVE-2022-37967 CVE-2022-38023
CWE-ID	CWE-264 CWE-254
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	SUSE Linux Enterprise Server for SAP Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system SUSE Linux Enterprise Realtime Extension Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system openSUSE Leap Micro Operating systems & Components / Operating system SUSE Enterprise Storage Operating systems & Components / Operating system SUSE Linux Enterprise Module for Python2 Operating systems & Components / Operating system SUSE Manager Retail Branch Server Operating systems & Components / Operating system SUSE Linux Enterprise Micro Operating systems & Components / Operating system SUSE Linux Enterprise High Availability Operating systems & Components / Operating system SUSE Linux Enterprise Desktop Operating systems & Components / Operating system SUSE Manager Server Operating systems & Components / Operating system SUSE Manager Proxy Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications Operating systems & Components / Operating system SUSE Linux Enterprise Module for Basesystem Operating systems & Components / Operating system ctdb-debuginfo Operating systems & Components / Operating system package or component ctdb Operating systems & Components / Operating system package or component samba-winbind-libs-32bit-debuginfo Operating systems & Components / Operating system package or component samba-winbind-libs-32bit Operating systems & Components / Operating system package or component samba-libs-32bit-debuginfo Operating systems & Components / Operating system package or component samba-libs-32bit Operating systems & Components / Operating system package or component samba-devel-32bit Operating systems & Components / Operating system package or component samba-client-libs-32bit-debuginfo Operating systems & Components / Operating system package or component samba-client-libs-32bit Operating systems & Components / Operating system package or component samba-client-32bit-debuginfo Operating systems & Components / Operating system package or component samba-client-32bit Operating systems & Components / Operating system package or component samba-ceph-debuginfo Operating systems & Components / Operating system package or component samba-ceph Operating systems & Components / Operating system package or component samba-ad-dc-libs-32bit-debuginfo Operating systems & Components / Operating system package or component samba-ad-dc-libs-32bit Operating systems & Components / Operating system package or component samba-winbind-libs-debuginfo Operating systems & Components / Operating system package or component samba-winbind-libs Operating systems & Components / Operating system package or component samba-winbind-debuginfo Operating systems & Components / Operating system package or component samba-winbind Operating systems & Components / Operating system package or component samba-tool Operating systems & Components / Operating system package or component samba-python3-debuginfo Operating systems & Components / Operating system package or component samba-python3 Operating systems & Components / Operating system package or component samba-libs-python3-debuginfo Operating systems & Components / Operating system package or component samba-libs-python3 Operating systems & Components / Operating system package or component samba-libs-debuginfo Operating systems & Components / Operating system package or component samba-libs Operating systems & Components / Operating system package or component samba-ldb-ldap-debuginfo Operating systems & Components / Operating system package or component samba-ldb-ldap Operating systems & Components / Operating system package or component samba-gpupdate Operating systems & Components / Operating system package or component samba-dsdb-modules-debuginfo Operating systems & Components / Operating system package or component samba-dsdb-modules Operating systems & Components / Operating system package or component samba-devel Operating systems & Components / Operating system package or component samba-client-debuginfo Operating systems & Components / Operating system package or component samba-client Operating systems & Components / Operating system package or component samba-ad-dc-libs-debuginfo Operating systems & Components / Operating system package or component samba-ad-dc-libs Operating systems & Components / Operating system package or component samba-ad-dc-debuginfo Operating systems & Components / Operating system package or component samba-ad-dc Operating systems & Components / Operating system package or component samba Operating systems & Components / Operating system package or component libsamba-policy0-python3-debuginfo Operating systems & Components / Operating system package or component libsamba-policy0-python3 Operating systems & Components / Operating system package or component libsamba-policy-python3-devel Operating systems & Components / Operating system package or component libsamba-policy-devel Operating systems & Components / Operating system package or component samba-debugsource Operating systems & Components / Operating system package or component samba-debuginfo Operating systems & Components / Operating system package or component samba-client-libs-debuginfo Operating systems & Components / Operating system package or component samba-client-libs Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU69094

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-37966

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in Windows Kerberos RC4-HMAC. A remote attacker can conduct a man-in-middle (MiTM) attack, which leads to security restrictions bypass and privilege escalation.

Mitigation

Update the affected package samba to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP: 15-SP3

SUSE Linux Enterprise Server: 15-SP3-LTSS

SUSE Linux Enterprise Realtime Extension: 15-SP3

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

openSUSE Leap Micro: 5.2

SUSE Enterprise Storage: 7.1

SUSE Linux Enterprise Module for Python2: 15-SP3

SUSE Manager Retail Branch Server: 4.2

SUSE Linux Enterprise Micro: 5.2

SUSE Linux Enterprise High Availability: 15-SP3

SUSE Linux Enterprise Desktop: 15-SP3

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

ctdb-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

ctdb: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-winbind-libs-32bit-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-winbind-libs-32bit: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-libs-32bit-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-libs-32bit: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-devel-32bit: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-client-libs-32bit-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-client-libs-32bit: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-client-32bit-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-client-32bit: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-ceph-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-ceph: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-ad-dc-libs-32bit-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-ad-dc-libs-32bit: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-winbind-libs-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-winbind-libs: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-winbind-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-winbind: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-tool: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-python3-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-python3: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-libs-python3-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-libs-python3: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-libs-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-libs: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-ldb-ldap-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-ldb-ldap: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-gpupdate: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-dsdb-modules-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-dsdb-modules: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-devel: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-client-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-client: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-ad-dc-libs-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-ad-dc-libs: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-ad-dc-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-ad-dc: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

libsamba-policy0-python3-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

libsamba-policy0-python3: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

libsamba-policy-python3-devel: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

libsamba-policy-devel: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-debugsource: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-client-libs-debuginfo: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

samba-client-libs: before 4.15.13+git.540.fab3b2a46c6-150300.3.46.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230014-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU69104

Risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-37967

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote administrator to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in Kerberos, which leads to security restrictions bypass and privilege escalation.