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f5F5F5:K79401162
HistoryMay 10, 2016 - 12:00 a.m.

K79401162 : Samba vulnerabilities CVE-2016-2111, CVE-2016-2113, and CVE-2016-2114

2016-05-1000:00:00
my.f5.com
39

6.6 Medium

AI Score

Confidence

High

0.006 Low

EPSS

Percentile

78.8%

Security Advisory Description

The NETLOGON service 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, when a domain controller is configured, allows remote attackers to spoof the computer name of a secure channel’s endpoint, and obtain sensitive session information, by running a crafted application and leveraging the ability to sniff network traffic, a related issue to CVE-2015-0005.

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.

The SMB1 protocol implementation in Samba 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 “server signing = mandatory” setting, which allows man-in-the-middle attackers to spoof SMB servers by modifying the client-server data stream.
Impact
There is no impact; F5 products are not affected by this vulnerability.