GSD-2022-39202

Vulnerability from gsd - Updated: 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
CVE-2022-39202
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{
  "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": [
        "CVE-2022-39202"
      ],
      "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"
    }
  },
  "namespaces": {
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        "ID": "CVE-2022-39202",
        "STATE": "PUBLIC",
        "TITLE": "IRC mode parameter confusion in matrix-appservice-irc"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "matrix-appservice-irc",
                    "version": {
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                          "version_value": "\u003c 0.35.0"
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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"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-269: Improper Privilege Management"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-cq7q-5c67-w39w",
            "refsource": "CONFIRM",
            "url": "https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-cq7q-5c67-w39w"
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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",
            "url": "https://matrix.org/blog/2022/09/13/security-release-of-matrix-appservice-irc-0-35-0-high-severity/"
          }
        ]
      },
      "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": {
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        "nodes": [
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            "children": [],
            "cpe_match": [
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                "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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            }
          ]
        },
        "problemtype": {
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        "references": {
          "reference_data": [
            {
              "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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              "name": "https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-cq7q-5c67-w39w",
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      "impact": {
        "baseMetricV3": {
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.3,
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            "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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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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