Resource management error in Samba - CVE-2019-14902

Vulnerability identifier: #VU24465

CSH Severity: Medium

CVSS v4: 5.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2019-14902

CWE-ID: CWE-399

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to bypass implemented security checks.

The vulnerability exists due to absent full-sync replication that did not allow ACL changes to be replicated to all domain controllers. A remote attacker can gain access to sensitive resources.

Samba
Gentoo Linux
Opensuse
Fedora
samba (Alpine package)
samba (Ubuntu package)
samba
RoboHelp

Install updates from vendor's website.

Samba - addressed in versions 4.9.18, 4.10.12, 4.11.5
samba (Alpine package) - update to 4.8.12-r2
samba (Ubuntu package) - addressed in versions 2:4.3.11+dfsg-0ubuntu0.16.04.25, 2:4.7.6+dfsg~ubuntu-0ubuntu2.15, 2:4.10.0+dfsg-0ubuntu2.8, 2:4.10.7+dfsg-0ubuntu2.4
samba - addressed in versions 4.10.12-0.fc30, 4.10.13-0.fc30, 4.11.5-0.fc31, 4.11.6-0.fc31

• https://www.samba.org/samba/security/CVE-2019-14902.html

• Multiple vulnerabilities in Samba
• Ubuntu update for Samba
• OpenSUSE Linux update for samba
• Gentoo update for Samba
• Resource management error in samba (Alpine package)
• Fedora 31 update for samba
• Fedora 30 update for samba
• Fedora 30 update for samba
• Fedora 31 update for samba