Vulnerabilites related to servo - rust-url
CVE-2024-12224 (GCVE-0-2024-12224)
Vulnerability from cvelistv5
Published
2025-05-30 01:16
Modified
2025-05-30 12:46
CWE
Summary
Improper Validation of Unsafe Equivalence in punycode by the idna crate from Servo rust-url allows an attacker to create a punycode hostname that one part of a system might treat as distinct while another part of that system would treat as equivalent to another hostname.
Impacted products
Vendor Product Version
servo rust-url Version: 0
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-12224",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-30T12:46:53.443148Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-30T12:46:56.887Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1887898"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://crates.io/crates/idna",
          "defaultStatus": "unaffected",
          "packageName": "idna",
          "product": "rust-url",
          "repo": "https://github.com/servo/rust-url/",
          "vendor": "servo",
          "versions": [
            {
              "lessThan": "1.0.0",
              "status": "affected",
              "version": "0",
              "versionType": "rust"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "In applications using \u003ccode\u003eidna\u003c/code\u003e (but not in \u003ccode\u003eidna\u003c/code\u003e \nitself) this may be able to lead to privilege escalation when host name \ncomparison is part of a privilege check and the behavior is combined \nwith a client that resolves domains with such labels instead of treating\n them as errors that preclude DNS resolution / URL fetching and with the\n attacker managing to introduce a DNS entry (and TLS certificate) for an\n \u003ccode\u003exn--\u003c/code\u003e-masked name that turns into the name of the target when processed by \u003ccode\u003eidna\u003c/code\u003e 0.5.0 or earlier.\u003cbr\u003e"
            }
          ],
          "value": "In applications using idna (but not in idna \nitself) this may be able to lead to privilege escalation when host name \ncomparison is part of a privilege check and the behavior is combined \nwith a client that resolves domains with such labels instead of treating\n them as errors that preclude DNS resolution / URL fetching and with the\n attacker managing to introduce a DNS entry (and TLS certificate) for an\n xn---masked name that turns into the name of the target when processed by idna 0.5.0 or earlier."
        }
      ],
      "datePublic": "2024-12-09T08:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Improper Validation of Unsafe Equivalence in punycode by the idna crate from Servo rust-url allows an attacker to create a punycode hostname that one part of a system might treat as distinct while another part of that system would treat as equivalent to another hostname."
            }
          ],
          "value": "Improper Validation of Unsafe Equivalence in punycode by the idna crate from Servo rust-url allows an attacker to create a punycode hostname that one part of a system might treat as distinct while another part of that system would treat as equivalent to another hostname."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "HIGH",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "LOW",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1289",
              "description": "CWE-1289",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-30T01:16:47.829Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://rustsec.org/advisories/RUSTSEC-2024-0421.html"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1887898"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "idna accepts Punycode labels that do not produce any non-ASCII when decoded",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2024-12224",
    "datePublished": "2025-05-30T01:16:47.829Z",
    "dateReserved": "2024-12-05T02:50:17.716Z",
    "dateUpdated": "2025-05-30T12:46:56.887Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}