CVE-2016-2112

NameCVE-2016-2112
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3548-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
samba (PTS)jessie2:4.2.14+dfsg-0+deb8u9fixed
jessie (security)2:4.2.14+dfsg-0+deb8u13fixed
stretch (security), stretch2:4.5.16+dfsg-1+deb9u2fixed
buster2:4.9.5+dfsg-5fixed
buster (security)2:4.9.5+dfsg-5+deb10u1fixed
bullseye, sid2:4.11.5+dfsg-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sambasource(unstable)2:4.3.7+dfsg-1
sambasourcejessie2:4.2.10+dfsg-0+deb8u1DSA-3548-1
sambasourcewheezy2:3.6.6-6+deb7u9DSA-3548-1

Notes

https://www.samba.org/samba/security/CVE-2016-2112.html

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