CVE-2017-12151

Name	CVE-2017-12151
Description	A 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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-3983-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
samba (PTS)	bullseye (security), bullseye	2:4.13.13+dfsg-1~deb11u6	fixed
	bookworm, bookworm (security)	2:4.17.12+dfsg-0+deb12u1	fixed
	sid, trixie	2:4.21.1+dfsg-2	fixed

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

Package	Type	Release	Fixed Version	Origin
samba	source	wheezy	(not affected)
samba	source	jessie	2:4.2.14+dfsg-0+deb8u8	DSA-3983-1
samba	source	stretch	2:4.5.8+dfsg-2+deb9u2	DSA-3983-1
samba	source	(unstable)	2:4.6.7+dfsg-2

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