CVE-2017-12151

NameCVE-2017-12151
DescriptionA flaw was found in the way samba client before samba 4.4.16, samba 4.5.14 and samba 4.6.8 used encryption with the max protocol set as SMB3. The connection could lose the requirement for signing and encrypting to any DFS redirects, allowing an attacker to read or alter the contents of the connection via a man-in-the-middle attack.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-3983-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
samba (PTS)bullseye (security), bullseye2:4.13.13+dfsg-1~deb11u6fixed
bookworm, bookworm (security)2:4.17.12+dfsg-0+deb12u1fixed
trixie2:4.21.2+dfsg-3fixed
sid2:4.21.2+dfsg-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sambasourcewheezy(not affected)
sambasourcejessie2:4.2.14+dfsg-0+deb8u8DSA-3983-1
sambasourcestretch2:4.5.8+dfsg-2+deb9u2DSA-3983-1
sambasource(unstable)2:4.6.7+dfsg-2

Notes

[wheezy] - samba <not-affected> (Vulnerable code introduced later)
https://www.samba.org/samba/security/CVE-2017-12151.html

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