Vulnerability CVE-2016-2113

Vulnerability CVE-2016-2113

Published: 2016-04-24 Modified: 2016-04-25

Description:

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.

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:N)

CVSS Base Score	Impact Subscore	Exploitability Subscore
5.8/10	4.9/10	8.6/10

Exploit range	Attack complexity	Authentication
Remote	Medium	No required
Confidentiality impact	Integrity impact	Availability impact
Partial	Partial	None

Affected software
Samba -> Samba
Canonical -> Ubuntu linux

References:

http://badlock.org/

http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182185.html

http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182272.html

http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182288.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00020.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00021.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00022.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00023.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00024.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html

http://rhn.redhat.com/errata/RHSA-2016-0612.html

http://rhn.redhat.com/errata/RHSA-2016-0614.html

http://rhn.redhat.com/errata/RHSA-2016-0618.html

http://rhn.redhat.com/errata/RHSA-2016-0620.html

http://www.debian.org/security/2016/dsa-3548

http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

http://www.securitytracker.com/id/1035533

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.458012

http://www.ubuntu.com/usn/USN-2950-1

http://www.ubuntu.com/usn/USN-2950-2

http://www.ubuntu.com/usn/USN-2950-3

http://www.ubuntu.com/usn/USN-2950-4

http://www.ubuntu.com/usn/USN-2950-5

https://bto.bluecoat.com/security-advisory/sa122

https://security.gentoo.org/glsa/201612-47

https://www.samba.org/samba/history/samba-4.2.10.html

https://www.samba.org/samba/latest_news.html#4.4.2

https://www.samba.org/samba/security/CVE-2016-2113.html

Vulnerability CVE-2016-2113

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.

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:N)

5.8/10

4.9/10

8.6/10

Remote

Medium

No required

Partial

Partial

None

Affected software

References: