CVE-2018-14629 — Uncontrolled Resource Consumption in Samba

CWE-400 — Uncontrolled Resource ConsumptionCWE-835 — Infinite Loop10 documents7 sources
Severity
6.5MEDIUMNVD
EPSS
9.2%
top 7.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
SambaDebian SambaCanonical Ubuntu Linux+1 more
Timeline
PublishedNov 28
Latest updateMay 13

Description

A denial of service vulnerability was discovered in Samba's LDAP server before versions 4.7.12, 4.8.7, and 4.9.3. A CNAME loop could lead to infinite recursion in the server. An unprivileged local attacker could create such an entry, leading to denial of service.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages4 packages

▶NVDsamba/samba4.0.0 — 4.7.12+2
▶debiandebian/samba< samba 2:4.9.2+dfsg-2 (bookworm)
▶Debiansamba/samba< 2:4.9.2+dfsg-2+3
▶Ubuntusamba/samba< 2:4.3.11+dfsg-0ubuntu0.14.04.19+2

Also affects: Debian Linux 8.0, 9.0, Ubuntu Linux 12.04, 14.04, 16.04, 18.04, 18.10

Patches

Patch: www.samba.org ↗Patch: www.samba.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-4hxq-xf3v-3jxv: A denial of service vulnerability was discovered in Samba's LDAP server before versions 4↗2022-05-13
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OSV
CVE-2018-14629: A denial of service vulnerability was discovered in Samba's LDAP server before versions 4↗2018-11-28
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OSV
samba vulnerabilities↗2018-11-27
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📋Vendor Advisories

4
Ubuntu
Samba vulnerabilities↗2018-11-27
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Ubuntu
Samba vulnerabilities↗2018-11-27
▶
Red Hat
samba: Unprivileged adding of CNAME record causing loop in AD LDAP server↗2018-11-20
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Debian
CVE-2018-14629: samba - A denial of service vulnerability was discovered in Samba's LDAP server before v...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-14629 samba: Unprivileged adding of CNAME record causing loop in AD LDAP server [fedora-all]↗2018-11-28
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Bugzilla
CVE-2018-14629 samba: Unprivileged adding of CNAME record causing loop in AD LDAP server↗2018-09-05
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