cve-2024-6874
Vulnerability from cvelistv5
Published
2024-07-24 07:36
Modified
2024-08-22 18:03
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
macidn punycode buffer overread
References
2499f714-1537-4658-8207-48ae4bb9eae9http://www.openwall.com/lists/oss-security/2024/07/24/2Mailing List, Third Party Advisory
2499f714-1537-4658-8207-48ae4bb9eae9https://curl.se/docs/CVE-2024-6874.htmlVendor Advisory
2499f714-1537-4658-8207-48ae4bb9eae9https://curl.se/docs/CVE-2024-6874.jsonVendor Advisory
2499f714-1537-4658-8207-48ae4bb9eae9https://hackerone.com/reports/2604391Exploit, Issue Tracking, Technical Description
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/07/24/2Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://curl.se/docs/CVE-2024-6874.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://curl.se/docs/CVE-2024-6874.jsonVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/2604391Exploit, Issue Tracking, Technical Description
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20240822-0004/
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

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        "affected": [
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            "cpes": [
              "cpe:2.3:a:curl:libcurl:8.8.0:*:*:*:*:*:*:*"
            ],
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              "baseSeverity": "LOW",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
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              "userInteraction": "NONE",
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                "options": [
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          "value": "libcurl\u0027s URL API function\n[curl_url_get()](https://curl.se/libcurl/c/curl_url_get.html) offers punycode\nconversions, to and from IDN. Asking to convert a name that is exactly 256\nbytes, libcurl ends up reading outside of a stack based buffer when built to\nuse the *macidn* IDN backend. The conversion function then fills up the\nprovided buffer exactly - but does not null terminate the string.\n\nThis flaw can lead to stack contents accidently getting returned as part of\nthe converted string."
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  }
}


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