🛡️ SUSE-SU-2023:0160-1 — samba (CVE-2021-20251 +10 more)

Security update for samba

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).

• Updated to version 4.15.13:
• 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).

• CVE-2022-37967: Fixed a potential privilege escalation issue via

constrained delegation due to weak a cryptographic algorithm

being selected (bsc#1205386).

• CVE-2022-38023: Disabled weak ciphers by default in the Netlogon

Secure channel (bsc#1206504).

• Updated to version 4.15.12:
• CVE-2022-42898: Fixed several buffer overflow vulnerabilities on

32-bit systems (bsc#1205126).

• Updated to version 4.15.11:
• CVE-2022-3437: Fixed a buffer overflow in Heimdal unwrap_des3()

(bsc#1204254).

• Updated to version 4.15.10:
• Fixed a potential crash due to a concurrency issue (bsc#1200102).
• Updated to version 4.15.9:
• CVE-2022-32742: Fixed an information leak that could be triggered

via SMB1 (bsc#1201496).

• CVE-2022-32746: Fixed a memory corruption issue in database

audit logging (bsc#1201490).

• CVE-2022-2031: Fixed AD restrictions bypass associated with

changing passwords (bsc#1201495).

• CVE-2022-32745: Fixed a remote server crash that could be

triggered with certain LDAP requests (bsc#1201492).

• CVE-2022-32744: Fixed an issue where AD users could have forged

password change requests on behalf of other users (bsc#1201493).

Other fixes:

• Fixed a problem when using bind as samba-ad-dc backend related to

the named service (bsc#1201689).