CVE-2016-0771

NameCVE-2016-0771
DescriptionThe internal DNS server in Samba 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4, when an AD DC is configured, allows remote authenticated users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from process memory by uploading a crafted DNS TXT record.
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-3514-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
samba (PTS)jessie (security), jessie2:4.2.14+dfsg-0+deb8u9fixed
stretch2:4.5.12+dfsg-2+deb9u1fixed
stretch (security)2:4.5.12+dfsg-2+deb9u2fixed
buster, sid2:4.8.2+dfsg-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sambasource(unstable)2:4.3.6+dfsg-1medium
sambasourcejessie2:4.1.17+dfsg-2+deb8u2mediumDSA-3514-1
sambasourcesqueeze(not affected)
sambasourcewheezy2:3.6.6-6+deb7u7mediumDSA-3514-1

Notes

[wheezy] - samba <not-affected> (Vulnerable code not present)
[squeeze] - samba <not-affected> (Vulnerable code not present)
https://www.samba.org/samba/security/CVE-2016-0771.html

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