Summary
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)
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 20.04 LTS 20.04:LTS | samba | 2:4.13.17~dfsg-0ubuntu1.20.04.1 |
| Ubuntu · 22.04 LTS 22.04:LTS | samba | 2:4.15.9+dfsg-0ubuntu0.2 |
Vulnerabilities 6
-
Medium 4.3
A flaw was found in Samba. Some SMB1 write requests were not correctly range-checked to ensure the client had sent enou…
-
Unscored —
MaxQueryDuration not honoured in Samba AD DC LDAP
-
Unscored —
A flaw was found in Samba. The security vulnerability occurs when KDC and the kpasswd service share a single account an…
-
Unscored —
A flaw was found in Samba. The KDC accepts kpasswd requests encrypted with any key known to it. By encrypting forged kp…
-
Unscored —
A flaw was found in Samba. Samba AD users can cause the server to access uninitialized data with an LDAP add or modify …
-
Unscored —
A flaw was found in the Samba AD LDAP server. The AD DC database audit logging module can access LDAP message values fr…