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CVE-2018-16853

HIGH
Published 2018-11-28T14:00:00
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CVSS Score

V3.0
7.5
/10
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.038
probability
of exploitation in the wild

There is a 3.8% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.876
Higher than 87.6% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

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 unless --with-experimental-mit-ad-dc is specified to the configure command.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

[UNKNOWN]

samba

Affected Versions:

4.7.12 4.8.7 4.9.3

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-wggh-6fmq-953v

Advisory Details

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 unless --with-experimental-mit-ad-dc is specified to the configure command.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2018-16853
WEB https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16853
WEB https://security.gentoo.org/glsa/202003-52
WEB https://security.netapp.com/advisory/ntap-20181127-0001
WEB https://www.samba.org/samba/security/CVE-2018-16853.html
WEB http://www.securityfocus.com/bid/106026

Advisory provided by GitHub Security Advisory Database. Published: May 13, 2022, Modified: May 13, 2022

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16853
https://www.samba.org/samba/security/CVE-2018-16853.html
http://www.securityfocus.com/bid/106026
https://security.netapp.com/advisory/ntap-20181127-0001/
https://security.gentoo.org/glsa/202003-52
Published: 2018-11-28T14:00:00
Last Modified: 2024-08-05T10:32:54.157Z
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