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CVE-2016-2112

Published: 12 April 2016

The bundled LDAP client library in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not recognize the "client ldap sasl wrapping" setting, which allows man-in-the-middle attackers to perform LDAP protocol-downgrade attacks by modifying the client-server data stream.

Priority

Medium

Cvss 3 Severity Score

5.9

Score breakdown

Status

Package Release Status
samba
Launchpad, Ubuntu, Debian
precise
Released (2:3.6.25-0ubuntu0.12.04.2)
trusty
Released (2:4.3.8+dfsg-0ubuntu0.14.04.2)
upstream
Released (4.4.2,4.3.8,4.2.11)
wily
Released (2:4.3.8+dfsg-0ubuntu0.15.10.2)
xenial
Released (2:4.3.8+dfsg-0ubuntu1)
yakkety
Released (2:4.3.8+dfsg-0ubuntu1)
zesty
Released (2:4.3.8+dfsg-0ubuntu1)
samba4
Launchpad, Ubuntu, Debian
precise Ignored
(end of life)
trusty Does not exist

upstream Needs triage

wily Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

Severity score breakdown

Parameter Value
Base score 5.9
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N