CVE-2021-37601

Name	CVE-2021-37601
Description	muc.lib.lua in Prosody 0.11.0 through 0.11.9 allows remote attackers to obtain sensitive information (list of admins, members, owners, and banned entities of a Multi-User chat room) in some common configurations.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severity	medium

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
prosody (PTS)	stretch	0.9.12-2+deb9u2	fixed
	stretch (security)	0.9.12-2+deb9u4	fixed
	buster, buster (security)	0.11.2-1+deb10u2	vulnerable
	bullseye	0.11.9-2	fixed
	bookworm, sid	0.11.10-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
prosody	source	stretch	(not affected)
prosody	source	(unstable)	0.11.9-2

Notes

[buster] - prosody <no-dsa> (Minor issue)
[stretch] - prosody <not-affected> (Vulnerable code not present)
https://prosody.im/security/advisory_20210722/