CVE-2016-0756

Name	CVE-2016-0756
Description	The generate_dialback function in the mod_dialback module in Prosody before 0.9.10 does not properly separate fields when generating dialback keys, which allows remote attackers to spoof XMPP network domains via a crafted stream id and domain name that is included in the target domain as a suffix.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-407-1, DSA-3463-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
prosody (PTS)	bullseye (security), bullseye	0.11.9-2+deb11u2	fixed
	bookworm	0.12.3-1	fixed
	sid, trixie	0.12.4-2	fixed

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

Package	Type	Release	Fixed Version	Origin
prosody	source	squeeze	0.7.0-1squeeze1+deb6u2	DLA-407-1
prosody	source	wheezy	0.8.2-4+deb7u4	DSA-3463-1
prosody	source	jessie	0.9.7-2+deb8u3	DSA-3463-1
prosody	source	(unstable)	0.9.10-1

Notes

http://blog.prosody.im/prosody-0-9-10-released/
https://prosody.im/security/advisory_20160127/
Upstream fix https://github.com/bjc/prosody/commit/8708def4f55e61acdd5b2c762d420ab40da0d015