SUSE update for samba

Published: 2022-11-11

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-1615 CVE-2022-32743
CWE-ID	CWE-330 CWE-276
Exploitation vector	Local network
Public exploit	N/A
Vulnerable software Subscribe	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 openSUSE Leap 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 Server Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system SUSE Linux Enterprise Module for Basesystem Operating systems & Components / Operating system samba-doc 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-python3-32bit-debuginfo Operating systems & Components / Operating system package or component samba-libs-python3-32bit 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-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 libsamba-policy0-python3-32bit-debuginfo Operating systems & Components / Operating system package or component libsamba-policy0-python3-32bit Operating systems & Components / Operating system package or component samba-libs-python3-64bit-debuginfo Operating systems & Components / Operating system package or component samba-libs-python3-64bit Operating systems & Components / Operating system package or component samba-libs-64bit-debuginfo Operating systems & Components / Operating system package or component samba-libs-64bit Operating systems & Components / Operating system package or component samba-client-64bit-debuginfo Operating systems & Components / Operating system package or component samba-client-64bit Operating systems & Components / Operating system package or component libsamba-policy0-python3-64bit-debuginfo Operating systems & Components / Operating system package or component libsamba-policy0-python3-64bit 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-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-test-debuginfo Operating systems & Components / Operating system package or component samba-test 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 ctdb-pcp-pmda-debuginfo Operating systems & Components / Operating system package or component ctdb-pcp-pmda Operating systems & Components / Operating system package or component ctdb-debuginfo Operating systems & Components / Operating system package or component ctdb 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 2 vulnerabilities.

1) Use of insufficiently random values

EUVDB-ID: #VU67270

Risk: Low

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

CVE-ID: CVE-2022-1615

CWE-ID: CWE-330 - Use of Insufficiently Random Values

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to usage of predictable random values within the GnuTLS gnutls_rnd() function. A remote user can decrypt sensitive information.

Mitigation

Update the affected package samba to the latest version.

Vulnerable software versions

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

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 Server: 15-SP3

SUSE Linux Enterprise High Performance Computing: 15-SP3

SUSE Linux Enterprise Module for Basesystem: 15-SP3

samba-doc: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-winbind-libs-32bit-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-winbind-libs-32bit: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-libs-python3-32bit-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-libs-python3-32bit: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-libs-32bit-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-libs-32bit: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-devel-32bit: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-client-libs-32bit-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-client-libs-32bit: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-client-32bit-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-client-32bit: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-ad-dc-libs-32bit-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-ad-dc-libs-32bit: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

libsamba-policy0-python3-32bit-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

libsamba-policy0-python3-32bit: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-libs-python3-64bit-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-libs-python3-64bit: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-libs-64bit-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-libs-64bit: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-client-64bit-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-client-64bit: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

libsamba-policy0-python3-64bit-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

libsamba-policy0-python3-64bit: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-ceph-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-ceph: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-winbind-libs-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-winbind-libs: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-winbind-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-winbind: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-tool: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-test-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-test: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-python3-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-python3: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-libs-python3-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-libs-python3: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-libs-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-libs: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-ldb-ldap-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-ldb-ldap: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-gpupdate: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-dsdb-modules-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-dsdb-modules: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-devel: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-client-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-client: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-ad-dc-libs-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-ad-dc-libs: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-ad-dc-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-ad-dc: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

libsamba-policy0-python3-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

libsamba-policy0-python3: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

libsamba-policy-python3-devel: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

libsamba-policy-devel: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

ctdb-pcp-pmda-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

ctdb-pcp-pmda: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

ctdb-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

ctdb: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-debugsource: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-client-libs-debuginfo: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

samba-client-libs: before 4.15.8+git.527.8d0c05d313e-150300.3.40.2

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20223955-1/

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 default permissions

EUVDB-ID: #VU67271

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-32743

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to Samba does not validate the Validated-DNS-Host-Name for the dNSHostName attribute. A remote attacker can set an arbitrary hostname and perform MitM attack.