gsd-2022-39202
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
matrix-appservice-irc is an open source Node.js IRC bridge for Matrix. The Internet Relay Chat (IRC) protocol allows you to specify multiple modes in a single mode command. Due to a bug in the underlying matrix-org/node-irc library, affected versions of matrix-appservice-irc perform parsing of such modes incorrectly, potentially resulting in the wrong user being given permissions. Mode commands can only be executed by privileged users, so this can only be abused if an operator is tricked into running the command on behalf of an attacker. The vulnerability has been patched in matrix-appservice-irc 0.35.0. As a workaround users should refrain from entering mode commands suggested by untrusted users. Avoid using multiple modes in a single command.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2022-39202",
"description": "matrix-appservice-irc is an open source Node.js IRC bridge for Matrix. The Internet Relay Chat (IRC) protocol allows you to specify multiple modes in a single mode command. Due to a bug in the underlying matrix-org/node-irc library, affected versions of matrix-appservice-irc perform parsing of such modes incorrectly, potentially resulting in the wrong user being given permissions. Mode commands can only be executed by privileged users, so this can only be abused if an operator is tricked into running the command on behalf of an attacker. The vulnerability has been patched in matrix-appservice-irc 0.35.0. As a workaround users should refrain from entering mode commands suggested by untrusted users. Avoid using multiple modes in a single command.",
"id": "GSD-2022-39202"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
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],
"details": "matrix-appservice-irc is an open source Node.js IRC bridge for Matrix. The Internet Relay Chat (IRC) protocol allows you to specify multiple modes in a single mode command. Due to a bug in the underlying matrix-org/node-irc library, affected versions of matrix-appservice-irc perform parsing of such modes incorrectly, potentially resulting in the wrong user being given permissions. Mode commands can only be executed by privileged users, so this can only be abused if an operator is tricked into running the command on behalf of an attacker. The vulnerability has been patched in matrix-appservice-irc 0.35.0. As a workaround users should refrain from entering mode commands suggested by untrusted users. Avoid using multiple modes in a single command.",
"id": "GSD-2022-39202",
"modified": "2023-12-13T01:19:20.816279Z",
"schema_version": "1.4.0"
}
},
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"ID": "CVE-2022-39202",
"STATE": "PUBLIC",
"TITLE": "IRC mode parameter confusion in matrix-appservice-irc"
},
"affects": {
"vendor": {
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{
"product": {
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{
"product_name": "matrix-appservice-irc",
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}
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}
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"value": "matrix-appservice-irc is an open source Node.js IRC bridge for Matrix. The Internet Relay Chat (IRC) protocol allows you to specify multiple modes in a single mode command. Due to a bug in the underlying matrix-org/node-irc library, affected versions of matrix-appservice-irc perform parsing of such modes incorrectly, potentially resulting in the wrong user being given permissions. Mode commands can only be executed by privileged users, so this can only be abused if an operator is tricked into running the command on behalf of an attacker. The vulnerability has been patched in matrix-appservice-irc 0.35.0. As a workaround users should refrain from entering mode commands suggested by untrusted users. Avoid using multiple modes in a single command."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L",
"version": "3.1"
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"description": [
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"lang": "eng",
"value": "CWE-269: Improper Privilege Management"
}
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"references": {
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{
"name": "https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-cq7q-5c67-w39w",
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"url": "https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-cq7q-5c67-w39w"
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{
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"url": "https://github.com/matrix-org/matrix-appservice-irc/commit/5f87dbed87b4b6dc49b7965ff152ee8535719e67"
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"source": {
"advisory": "GHSA-cq7q-5c67-w39w",
"discovery": "UNKNOWN"
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c0.35.0",
"affected_versions": "All versions before 0.35.0",
"cwe_ids": [
"CWE-1035",
"CWE-78",
"CWE-937"
],
"date": "2022-09-15",
"description": "matrix-appservice-irc is an open source Node.js IRC bridge for Matrix. The Internet Relay Chat (IRC) protocol allows you to specify multiple modes in a single mode command. Due to a bug in the underlying matrix-org/node-irc library, affected versions of matrix-appservice-irc perform parsing of such modes incorrectly, potentially resulting in the wrong user being given permissions. Mode commands can only be executed by privileged users, so this can only be abused if an operator is tricked into running the command on behalf of an attacker. The vulnerability has been patched in matrix-appservice-irc 0.35.0. As a workaround users should refrain from entering mode commands suggested by untrusted users. Avoid using multiple modes in a single command.",
"fixed_versions": [
"0.35.0"
],
"identifier": "CVE-2022-39202",
"identifiers": [
"GHSA-cq7q-5c67-w39w",
"CVE-2022-39202"
],
"not_impacted": "All versions starting from 0.35.0",
"package_slug": "npm/matrix-appservice-irc",
"pubdate": "2022-09-15",
"solution": "Upgrade to version 0.35.0 or above.",
"title": "Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
"urls": [
"https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-cq7q-5c67-w39w",
"https://nvd.nist.gov/vuln/detail/CVE-2022-39202",
"https://github.com/matrix-org/matrix-appservice-irc/commit/5f87dbed87b4b6dc49b7965ff152ee8535719e67",
"https://matrix.org/blog/2022/09/13/security-release-of-matrix-appservice-irc-0-35-0-high-severity/",
"https://github.com/advisories/GHSA-cq7q-5c67-w39w"
],
"uuid": "12a1a0eb-c0b4-4ca5-a47e-618f91920e6a"
}
]
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
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"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:matrix:matrix_irc_bridge:*:*:*:*:*:node.js:*:*",
"cpe_name": [],
"versionEndExcluding": "0.35.0",
"vulnerable": true
}
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"operator": "OR"
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"description": {
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"value": "matrix-appservice-irc is an open source Node.js IRC bridge for Matrix. The Internet Relay Chat (IRC) protocol allows you to specify multiple modes in a single mode command. Due to a bug in the underlying matrix-org/node-irc library, affected versions of matrix-appservice-irc perform parsing of such modes incorrectly, potentially resulting in the wrong user being given permissions. Mode commands can only be executed by privileged users, so this can only be abused if an operator is tricked into running the command on behalf of an attacker. The vulnerability has been patched in matrix-appservice-irc 0.35.0. As a workaround users should refrain from entering mode commands suggested by untrusted users. Avoid using multiple modes in a single command."
}
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},
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"name": "https://matrix.org/blog/2022/09/13/security-release-of-matrix-appservice-irc-0-35-0-high-severity/",
"refsource": "MISC",
"tags": [
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"url": "https://matrix.org/blog/2022/09/13/security-release-of-matrix-appservice-irc-0-35-0-high-severity/"
},
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"name": "https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-cq7q-5c67-w39w",
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{
"name": "https://github.com/matrix-org/matrix-appservice-irc/commit/5f87dbed87b4b6dc49b7965ff152ee8535719e67",
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"impact": {
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"cvssV3": {
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"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.4
}
},
"lastModifiedDate": "2022-09-16T17:42Z",
"publishedDate": "2022-09-13T18:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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