CVE-2022-39264

Name	CVE-2022-39264
Description	nheko is a desktop client for the Matrix communication application. All versions below 0.10.2 are vulnerable homeservers inserting malicious secrets, which could lead to man-in-the-middle attacks. Users can upgrade to version 0.10.2 to protect against this issue. As a workaround, one may apply the patch manually, avoid doing verifications of one's own devices, and/or avoid pressing the request button in the settings menu.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
nheko (PTS)	buster	0.6.3-2	fixed
	bullseye	0.8.0+really0.7.2-4	vulnerable
	bookworm	0.11.3-1	fixed
	sid	0.11.3-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
nheko	source	buster	(not affected)
nheko	source	(unstable)	0.10.2-1

Notes

[buster] - nheko <not-affected> (Vulnerable code not present)
https://github.com/Nheko-Reborn/nheko/security/advisories/GHSA-8jcp-8jq4-5mm7
https://github.com/Nheko-Reborn/nheko/commit/67bee15a389f9b8a9f6c3a340558d1e2319e7199 (v0.10.2)
Support for secrets in keychain: https://github.com/Nheko-Reborn/nheko/commit/7b46aa2a6e4fdb71632128a94b6645613631d8d4 (v0.8.0)