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CVE-2018-14629

Published: 27 November 2018

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.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
samba
Launchpad, Ubuntu, Debian
upstream
Released (4.7.12,4.8.7,4.9.3)
trusty
Released (2:4.3.11+dfsg-0ubuntu0.14.04.19)
xenial
Released (2:4.3.11+dfsg-0ubuntu0.16.04.18)
bionic
Released (2:4.7.6+dfsg~ubuntu-0ubuntu2.5)
cosmic
Released (2:4.8.4+dfsg-2ubuntu2.1)

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H