CVE-2018-16853Uncontrolled Resource Consumption in Samba

Severity
5.9MEDIUMNVD
EPSS
4.9%
top 10.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 28
Latest updateMay 13

Description

Samba from version 4.7.0 has a vulnerability that allows a user in a Samba AD domain to crash the KDC when Samba is built in the non-default MIT Kerberos configuration. With this advisory the Samba Team clarify that the MIT Kerberos build of the Samba AD DC is considered experimental. Therefore the Samba Team will not issue security patches for this configuration. Additionally, Samba 4.7.12, 4.8.7 and 4.9.3 have been issued as security releases to prevent building of the AD DC with MIT Kerberos

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6

Affected Packages3 packages

NVDsamba/samba4.7.04.7.12+2
debiandebian/samba< samba 2:4.9.2+dfsg-2 (bookworm)
Debiansamba/samba< 2:4.9.2+dfsg-2+3

🔴Vulnerability Details

2
GHSA
GHSA-wggh-6fmq-953v: Samba from version 42022-05-13
OSV
CVE-2018-16853: Samba from version 42018-11-28

📋Vendor Advisories

2
Red Hat
samba: S4U2Self crash with MIT KDC build2018-11-28
Debian
CVE-2018-16853: samba - Samba from version 4.7.0 has a vulnerability that allows a user in a Samba AD do...2018

💬Community

2
Bugzilla
CVE-2018-16853 samba: S4U2Self crash with MIT KDC build [fedora-all]2018-11-28
Bugzilla
CVE-2018-16853 samba: S4U2Self crash with MIT KDC build2018-11-07