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CVE-2022-29166— Improper handling of multiline messages in matrix-appservice-irc

Quick assessment

Affected
matrix-org matrix-appservice-irc
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.

Matrix是一个雄心勃勃的新生态系统，用于开放联合即时消息和 VoIP。matrix-appservice-irc是Matrix的一款网桥。这个网桥会将所有 IRC 消息传递给 Matrix，并将所有 Matrix 消息传递给 IRC。 Matrix matrix-appservice-irc 0.33.1 版本及之前版本存在注入漏洞，该漏洞源于node-irc中多行消息处理不当，攻击者利用该漏洞通过让 Matrix用户回复恶意制作的消息来操纵他们执行IRC命令。

CVSS 8.0 · High EPSS 1.00% · P63
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I. Basic Information for CVE-2022-29166

Vulnerability Information
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Vulnerability Title
Improper handling of multiline messages in matrix-appservice-irc
Source: CVE Program / CVE List V5
Vulnerability Description
matrix-appservice-irc is a Node.js IRC bridge for Matrix. The vulnerability in node-irc allows an attacker to manipulate a Matrix user into executing IRC commands by having them reply to a maliciously crafted message. The vulnerability has been patched in matrix-appservice-irc 0.33.2. Refrain from replying to messages from untrusted participants in IRC-bridged Matrix rooms. There are no known workarounds for this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Matrix matrix-appservice-irc 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Matrix是一个雄心勃勃的新生态系统，用于开放联合即时消息和 VoIP。matrix-appservice-irc是Matrix的一款网桥。这个网桥会将所有 IRC 消息传递给 Matrix，并将所有 Matrix 消息传递给 IRC。 Matrix matrix-appservice-irc 0.33.1 版本及之前版本存在注入漏洞，该漏洞源于node-irc中多行消息处理不当，攻击者利用该漏洞通过让 Matrix用户回复恶意制作的消息来操纵他们执行IRC命令。
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
matrix-org matrix-appservice-irc < 0.34.0 -

II. Public POCs for CVE-2022-29166

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III. Intelligence Information for CVE-2022-29166

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Vendor Advisories for CVE-2022-29166 (1)

Security Blog Posts for CVE-2022-29166 (1)

IV. Related Vulnerabilities

Same product: matrix-appservice-irc
Same vendor: matrix-org
Same weakness: CWE-74