Samba AD LDAP Compare filter injection and trusted-request

Description Samba's LDAP CompareRequest path contains two independent security flaws that can be combined by an authenticated attacker to construct a reliable oracle for protected confidential Active Directory attributes. 1. Filter Injection Flaw When processing an LDAP Compare request, Samba...

Ubuntu 20.04 LTS / 22.04 LTS : ldb vulnerability (USN-5992-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-5992-1 advisory. Demi Marie Obenour discovered that ldb, when used with Samba, incorrectly handled certain confidential attribute values. A remote authenticated attack...

Access controlled AD LDAP attributes can be discovered

== Summary: The fix in 4.6.16, 4.7.9, 4.8.4 and 4.9.7 for CVE-2018-10919 Confidential attribute disclosure via LDAP filters was insufficient and an attacker may be able to obtain confidential BitLocker recovery keys from a Samba AD DC. Installations with such secrets in their Samba AD should assu...

UBUNTU-CVE-2018-10919

The Samba Active Directory LDAP server was vulnerable to an information disclosure flaw because of missing access control checks. An authenticated attacker could use this flaw to extract confidential attribute values using LDAP search expressions. Samba versions before 4.6.16, 4.7.9 and 4.8.4 are...