cve-2024-7264
Vulnerability from cvelistv5
Published
2024-07-31 08:08
Modified
2024-10-30 19:41
Severity ?
6.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Summary
ASN.1 date parser overread
References
2499f714-1537-4658-8207-48ae4bb9eae9http://www.openwall.com/lists/oss-security/2024/07/31/1Mailing List
2499f714-1537-4658-8207-48ae4bb9eae9https://curl.se/docs/CVE-2024-7264.htmlVendor Advisory
2499f714-1537-4658-8207-48ae4bb9eae9https://curl.se/docs/CVE-2024-7264.jsonVendor Advisory
2499f714-1537-4658-8207-48ae4bb9eae9https://hackerone.com/reports/2629968Exploit, Issue Tracking, Permissions Required, Third Party Advisory
Impacted products
curlcurl
Show details on NVD website

To clipboard 

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      "credits": [
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          "type": "finder",
          "value": "Dov Murik (Transmit Security)"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Stefan Eissing"
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          "value": "libcurl\u0027s ASN1 parser code has the `GTime2str()` function, used for parsing an\nASN.1 Generalized Time field. If given an syntactically incorrect field, the\nparser might end up using -1 for the length of the *time fraction*, leading to\na `strlen()` getting performed on a pointer to a heap buffer area that is not\n(purposely) null terminated.\n\nThis flaw most likely leads to a crash, but can also lead to heap contents\ngetting returned to the application when\n[CURLINFO_CERTINFO](https://curl.se/libcurl/c/CURLINFO_CERTINFO.html) is used."
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  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-7264\",\"sourceIdentifier\":\"2499f714-1537-4658-8207-48ae4bb9eae9\",\"published\":\"2024-07-31T08:15:02.657\",\"lastModified\":\"2024-10-30T20:35:40.303\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"libcurl\u0027s ASN1 parser code has the `GTime2str()` function, used for parsing an\\nASN.1 Generalized Time field. If given an syntactically incorrect field, the\\nparser might end up using -1 for the length of the *time fraction*, leading to\\na `strlen()` getting performed on a pointer to a heap buffer area that is not\\n(purposely) null terminated.\\n\\nThis flaw most likely leads to a crash, but can also lead to heap contents\\ngetting returned to the application when\\n[CURLINFO_CERTINFO](https://curl.se/libcurl/c/CURLINFO_CERTINFO.html) is used.\"},{\"lang\":\"es\",\"value\":\"El c\u00f3digo del analizador ASN1 de libcurl tiene la funci\u00f3n `GTime2str()`, que se utiliza para analizar un campo de tiempo generalizado ASN.1. Si se proporciona un campo sint\u00e1cticamente incorrecto, el analizador puede terminar usando -1 para la longitud de la *time fraction*, lo que lleva a que se ejecute una `strlen()` en un puntero a un \u00e1rea de b\u00fafer de almacenamiento din\u00e1mico que no est\u00e1 (intencionadamente) terminada en nulo. Este fallo probablemente lleve a un bloqueo, pero tambi\u00e9n puede llevar a que se devuelvan contenidos del mont\u00f3n a la aplicaci\u00f3n cuando se utiliza [CURLINFO_CERTINFO](https://curl.se/libcurl/c/CURLINFO_CERTINFO.html).\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\",\"baseScore\":6.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.8,\"impactScore\":3.4}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.32.0\",\"versionEndExcluding\":\"8.9.1\",\"matchCriteriaId\":\"A578587B-41C6-48AE-B389-54B89C7116A4\"}]}]}],\"references\":[{\"url\":\"http://www.openwall.com/lists/oss-security/2024/07/31/1\",\"source\":\"2499f714-1537-4658-8207-48ae4bb9eae9\",\"tags\":[\"Mailing List\"]},{\"url\":\"https://curl.se/docs/CVE-2024-7264.html\",\"source\":\"2499f714-1537-4658-8207-48ae4bb9eae9\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://curl.se/docs/CVE-2024-7264.json\",\"source\":\"2499f714-1537-4658-8207-48ae4bb9eae9\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://hackerone.com/reports/2629968\",\"source\":\"2499f714-1537-4658-8207-48ae4bb9eae9\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Permissions Required\",\"Third Party Advisory\"]}]}}"
  }
}


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