CVE-2023-4154 — Out-of-bounds Write in Samba
Severity
6.5MEDIUMNVD
EPSS
0.4%
top 39.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 7
Description
A design flaw was found in Samba's DirSync control implementation, which exposes passwords and secrets in Active Directory to privileged users and Read-Only Domain Controllers (RODCs). This flaw allows RODCs and users possessing the GET_CHANGES right to access all attributes, including sensitive secrets and passwords. Even in a default setup, RODC DC accounts, which should only replicate some passwords, can gain access to all domain secrets, including the vital krbtgt, effectively eliminating th…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6
Affected Packages4 packages
Patches
🔴Vulnerability Details
5GHSA▶
GHSA-v5f6-rpxq-xvg8: A design flaw was found in Samba's DirSync control implementation, which exposes passwords and secrets in Active Directory to privileged users and Rea↗2023-11-07
OSV▶
CVE-2023-4154: A design flaw was found in Samba's DirSync control implementation, which exposes passwords and secrets in Active Directory to privileged users and Rea↗2023-11-07
📋Vendor Advisories
5Debian▶
CVE-2023-4154: samba - A design flaw was found in Samba's DirSync control implementation, which exposes...↗2023