PT-2022-24854 · Nheko+1 · Nheko+1

Deepbluev7 + 1 · Published 2022-09-28 · Updated 2024-02-08 · CVE-2022-39264

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions nheko versions prior to 0.10.2

Description nheko is a desktop client for the Matrix communication application. The issue allows homeservers to insert malicious secrets, which could lead to man-in-the-middle attacks.

Recommendations For versions prior to 0.10.2, upgrade to version 0.10.2 to protect against this issue. As a temporary workaround, consider applying the patch manually. Avoid doing verifications of one's own devices until the issue is resolved. Restrict access to the request button in the settings menu to minimize the risk of exploitation.

Exploit

Fix

Improper Authentication

Improper Certificate Validation

Weakness Enumeration

CWE-287

CWE-295

Related Identifiers

ALT-PU-2024-1984

CVE-2022-39264

GHSA-8JCP-8JQ4-5MM7

Affected Products

Alt Linux

Nheko

References · 15

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39264.json · Exploit
• https://github.com/Nheko-Reborn/nheko/commit/67bee15a389f9b8a9f6c3a340558d1e2319e7199 · Patch
• https://github.com/Nheko-Reborn/nheko/security/advisories/GHSA-8jcp-8jq4-5mm7 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-39264 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-39264 · Security Note
• https://cve.org/CVERecord?id=CVE-2022-39264 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TA6A5ADUVAYKD3ZFLF2JPZOTIOFJOEU7 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-39264 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-39264 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-39264 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YBOL6OOQGPZD2RLYT4EHAWTFXNIHLYEN · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-39264 · Vendor Advisory
• https://github.com/Nheko-Reborn/nheko/releases/tag/v0.10.2 · Note
• https://t.me/cibsecurity/50643 · Telegram Post
• https://t.me/cvenotify/36952 · Telegram Post