CVE-2016-2113

Publication date 12 April 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.4 · High

Score breakdown

Samba 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not verify X.509 certificates from TLS servers, which allows man-in-the-middle attackers to spoof LDAPS and HTTPS servers and obtain sensitive information via a crafted certificate.

Read the notes from the security team

Status

Package Ubuntu Release Status
samba 17.04 zesty
Fixed 2:4.3.8+dfsg-0ubuntu1
16.10 yakkety
Fixed 2:4.3.8+dfsg-0ubuntu1
16.04 LTS xenial
Fixed 2:4.3.8+dfsg-0ubuntu1
15.10 wily
Fixed 2:4.3.8+dfsg-0ubuntu0.15.10.2
14.04 LTS trusty
Fixed 2:4.3.8+dfsg-0ubuntu0.14.04.2
12.04 LTS precise
Not affected
samba4 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Ignored end of life

Notes

mdeslaur

4.x+ only

Severity score breakdown

Parameter Value
Base score 7.4 · High
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

References

Related Ubuntu Security Notices (USN)

Other references