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CVE-2022-39264

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Date: September 28, 2022

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.

Language: C++

Severity Score

Related Resources (8)

https://github.com/Nheko-Reborn/nheko/security/advisories/GHSA-8jcp-8jq4-5mm7
https://github.com/Nheko-Reborn/nheko/commit/67bee15a389f9b8a9f6c3a340558d1e2319e7199
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TA6A5ADUVAYKD3ZFLF2JPZOTIOFJOEU7/
https://github.com/Nheko-Reborn/nheko/releases/tag/v0.10.2
https://security-tracker.debian.org/tracker/CVE-2022-39264
https://nvd.nist.gov/vuln/detail/CVE-2022-39264
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YBOL6OOQGPZD2RLYT4EHAWTFXNIHLYEN/
https://www.mend.io/vulnerability-database/CVE-2022-39264

Severity Score

Weakness Type (CWE)

Authentication Issues

CWE-287

Improper Certificate Validation

CWE-295

Top Fix

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Upgrade Version

Upgrade to version v0.10.2

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

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