CVE-2022-39264 – nheko vulnerable to secret poisoning using MITM on secret requests by the homeserver

https://notcve.org/view.php?id=CVE-2022-39264

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. nheko es un cliente de escritorio para la aplicación de comunicación Matrix. Todas las versiones anteriores a 0.10.2 son vulnerables a una inserción de secretos maliciosos por parte de los servidores domésticos, lo que podría conllevar a ataques de tipo man-in-the-middle. • https://github.com/Nheko-Reborn/nheko/commit/67bee15a389f9b8a9f6c3a340558d1e2319e7199 https://github.com/Nheko-Reborn/nheko/releases/tag/v0.10.2 https://github.com/Nheko-Reborn/nheko/security/advisories/GHSA-8jcp-8jq4-5mm7 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TA6A5ADUVAYKD3ZFLF2JPZOTIOFJOEU7 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YBOL6OOQGPZD2RLYT4EHAWTFXNIHLYEN • CWE-287: Improper Authentication CWE-295: Improper Certificate Validation •