CVE-2023-38690— matrix-appservice-irc IRC command injection via admin commands containing newlines
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I. Basic Information for CVE-2023-38690
Vulnerability Information
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Vulnerability Title
matrix-appservice-irc IRC command injection via admin commands containing newlines
Source: NVD (National Vulnerability Database)
Vulnerability Description
matrix-appservice-irc is a Node.js IRC bridge for Matrix. Prior to version 1.0.1, it is possible to craft a command with newlines which would not be properly parsed. This would mean you could pass a string of commands as a channel name, which would then be run by the IRC bridge bot. Versions 1.0.1 and above are patched. There are no robust workarounds to the bug. One may disable dynamic channels in the config to disable the most common execution method but others may exist.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Matrix matrix-appservice-irc 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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 1.0.1之前版本存在命令注入漏洞，该漏洞源于允许攻击者使用无法解析的换行符来制作命令并由IRC桥接机器人运行。
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 | < 1.0.1 | - |
II. Public POCs for CVE-2023-38690
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · matrix-org · 2023-08-04 · 4 CVEs total
| CVE-2023-38686 | 9.3 CRITICAL | Sydent does not verify email server certificates |
| CVE-2023-38691 | 5.0 MEDIUM | matrix-appservice-bridge doesn't verify the sub parameter of an openId token exhange, allo |
| CVE-2023-38700 | 3.5 LOW | matrix-appservice-irc events can be crafted to leak parts of targeted messages from other |
IV. Related Vulnerabilities
Same product: matrix-appservice-irc
- CVE-2025-27146
Matrix IRC Bridge allows IRC command injection to own puppet - CVE-2024-52505
matrix-appservice-irc allows IRC Command injection in provis - CVE-2024-39691
Malicious Matrix homeserver can leak truncated message conte - CVE-2024-32000
Truncated content of messages can be leaked from matrix-apps - CVE-2023-38700
matrix-appservice-irc events can be crafted to leak parts of
Same vendor: matrix-org
- CVE-2025-66622
matrix-sdk-base is vulnerable to DoS via custom m.room.join_ - CVE-2025-59160
matrix-js-sdk has insufficient validation when considering a - CVE-2025-59047
matrix-sdk-base has panic in the `RoomMember::normalized_pow - CVE-2025-53549
Matrix Rust SDK allows SQL injection in the EventCache imple - CVE-2025-48937
matrix-sdk-crypto vulnerable to sender of encrypted events b
Same weakness: CWE-20
V. Comments for CVE-2023-38690
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