SUSE-SU-2023:0126-1

HIGH8.1

Security update for samba

Published Jan 24, 2023

Modified 3 years ago

Fix available

Details

Description of the patch:

This update for samba fixes the following issues:

CVE-2021-20251: Fixed an issue where the bad password count would not be properly incremented, which could allow attackers to brute force a user's password (bsc#1206546).
CVE-2022-38023: Disabled weak ciphers by default in the Netlogon Secure channel (bsc#1206504).
CVE-2022-37966: Fixed an issue where a weak cipher would be selected to encrypt session keys, which could lead to privilege escalation (bsc#1205385).

Affected Packages(45 packages)

ctdb

SUSE Linux Enterprise High Availability Extension 12 SP4

Fixed in:

4.6.16+git.384.9fec958bed-3.76.1

libdcerpc-binding0

SUSE Linux Enterprise Server 12 SP4-LTSSSUSE Linux Enterprise Server for SAP Applications 12 SP4SUSE OpenStack Cloud 9SUSE OpenStack Cloud Crowbar 9

Fixed in:

4.6.16+git.384.9fec958bed-3.76.1

libdcerpc-binding0-32bit

SUSE Linux Enterprise Server 12 SP4-LTSSSUSE Linux Enterprise Server for SAP Applications 12 SP4SUSE OpenStack Cloud 9SUSE OpenStack Cloud Crowbar 9

Fixed in:

4.6.16+git.384.9fec958bed-3.76.1

libdcerpc0

SUSE Linux Enterprise Server 12 SP4-LTSSSUSE Linux Enterprise Server for SAP Applications 12 SP4SUSE OpenStack Cloud 9SUSE OpenStack Cloud Crowbar 9

Fixed in:

4.6.16+git.384.9fec958bed-3.76.1

libdcerpc0-32bit

SUSE Linux Enterprise Server 12 SP4-LTSSSUSE Linux Enterprise Server for SAP Applications 12 SP4SUSE OpenStack Cloud 9SUSE OpenStack Cloud Crowbar 9

Fixed in:

4.6.16+git.384.9fec958bed-3.76.1

libndr-krb5pac0

SUSE Linux Enterprise Server 12 SP4-LTSSSUSE Linux Enterprise Server for SAP Applications 12 SP4SUSE OpenStack Cloud 9SUSE OpenStack Cloud Crowbar 9

Fixed in:

4.6.16+git.384.9fec958bed-3.76.1

libndr-krb5pac0-32bit

SUSE Linux Enterprise Server 12 SP4-LTSSSUSE Linux Enterprise Server for SAP Applications 12 SP4SUSE OpenStack Cloud 9SUSE OpenStack Cloud Crowbar 9

Fixed in:

4.6.16+git.384.9fec958bed-3.76.1

libndr-nbt0

SUSE Linux Enterprise Server 12 SP4-LTSSSUSE Linux Enterprise Server for SAP Applications 12 SP4SUSE OpenStack Cloud 9SUSE OpenStack Cloud Crowbar 9

Fixed in:

4.6.16+git.384.9fec958bed-3.76.1

libndr-nbt0-32bit

SUSE Linux Enterprise Server 12 SP4-LTSSSUSE Linux Enterprise Server for SAP Applications 12 SP4SUSE OpenStack Cloud 9SUSE OpenStack Cloud Crowbar 9

Fixed in:

4.6.16+git.384.9fec958bed-3.76.1

libndr-standard0

SUSE Linux Enterprise Server 12 SP4-LTSSSUSE Linux Enterprise Server for SAP Applications 12 SP4SUSE OpenStack Cloud 9SUSE OpenStack Cloud Crowbar 9

Fixed in:

4.6.16+git.384.9fec958bed-3.76.1

References

https://bugzilla.suse.com/1205385

https://bugzilla.suse.com/1206504

https://bugzilla.suse.com/1206546

https://lists.suse.com/pipermail/sle-security-updates/2023-January/013514.html

https://www.suse.com/security/cve/CVE-2021-20251/

https://www.suse.com/security/cve/CVE-2022-37966/

https://www.suse.com/security/cve/CVE-2022-38023/

https://www.suse.com/support/security/rating/

https://www.suse.com/support/update/announcement/2023/suse-su-20230126-1/

CVSS Analysis

CVSS v3.1

8.1

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

HighAC:H

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

8.1/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Upstream

CVE-2021-20251 CVE-2022-37966 CVE-2022-38023

Ecosystems

SUSE Linux Enterprise High Availability Extension 12 SP4 SUSE Linux Enterprise Server 12 SP4-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud Crowbar 9

Timeline

PublishedJan 24, 2023

ModifiedJan 24, 2023

SUSE-SU-2023:0126-1 | Mondoo Vulnerability Intelligence