USN-5542-1: Samba vulnerabilities

USN-5542-1: Samba vulnerabilities

It was discovered that Samba did not handle MaxQueryDuration when being
used in AD DC configurations, contrary to expectations. This issue only
affected Ubuntu 20.04 LTS. (CVE-2021-3670)

Luke Howard discovered that Samba incorrectly handled certain restrictions
associated with changing passwords. A remote attacker being requested to
change passwords could possibly use this issue to escalate privileges.
(CVE-2022-2031)

Luca Moro discovered that Samba incorrectly handled certain SMB1
communications. A remote attacker could possibly use this issue to obtain
sensitive memory contents. (CVE-2022-32742)

Joseph Sutton discovered that Samba incorrectly handled certain password
change requests. A remote attacker could use this issue to change passwords
of other users, resulting in privilege escalation. (CVE-2022-32744)

Joseph Sutton discovered that Samba incorrectly handled certain LDAP add or
modify requests. A remote attacker could possibly use this issue to cause
Samba to crash, resulting in a denial of service. (CVE-2022-32745)

Joseph Sutton and Andrew Bartlett discovered that Samba incorrectly handled
certain LDAP add or modify requests. A remote attacker could possibly use
this issue to cause Samba to crash, resulting in a denial of service.
(CVE-2022-32746)
Source: USN-5542-1: Samba vulnerabilities