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

Quick assessment

Affected
Nheko-Reborn nheko
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

nheko是Nheko-Reborn开源的一个本地桌面应用程序。 nheko 0.10.2 版本之前存在信任管理问题漏洞，该漏洞源于可能会导致中间人攻击。

CVSS 8.6 · High EPSS 0.66% · P49

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-39264

Vulnerability Information
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Vulnerability Title
nheko vulnerable to secret poisoning using MITM on secret requests by the homeserver
Source: CVE Program / CVE List V5
Vulnerability 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 Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
nheko 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
nheko是Nheko-Reborn开源的一个本地桌面应用程序。 nheko 0.10.2 版本之前存在信任管理问题漏洞，该漏洞源于可能会导致中间人攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Nheko-Reborn nheko < 0.10.2 -

II. Public POCs for CVE-2022-39264

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III. Intelligence Information for CVE-2022-39264

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Patches & Fixes for CVE-2022-39264 (1)

Vendor Advisories for CVE-2022-39264 (1)

Mailing List Discussions for CVE-2022-39264 (2)

IV. Related Vulnerabilities

Same weakness: CWE-295

V. Comments for CVE-2022-39264

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