FKIE_CVE-2023-38039

Vulnerability from fkie_nvd - Published: 2023-09-15 04:15 - Updated: 2025-12-02 20:15
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
When curl retrieves an HTTP response, it stores the incoming headers so that they can be accessed later via the libcurl headers API. However, curl did not have a limit in how many or how large headers it would accept in a response, allowing a malicious server to stream an endless series of headers and eventually cause curl to run out of heap memory.
References
support@hackerone.comhttp://seclists.org/fulldisclosure/2023/Oct/17Mailing List, Third Party Advisory
support@hackerone.comhttp://seclists.org/fulldisclosure/2024/Jan/34Mailing List, Third Party Advisory
support@hackerone.comhttp://seclists.org/fulldisclosure/2024/Jan/37Mailing List, Third Party Advisory
support@hackerone.comhttp://seclists.org/fulldisclosure/2024/Jan/38Mailing List, Third Party Advisory
support@hackerone.comhttps://hackerone.com/reports/2072338Exploit, Issue Tracking, Patch, Third Party Advisory
support@hackerone.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DCZMYODALBLVOXVJEN2LF2MLANEYL4F/Mailing List
support@hackerone.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M6KGKB2JNZVT276JYSKI6FV2VFJUGDOJ/Mailing List
support@hackerone.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEAWTYHC3RT6ZRS5OZRHLAIENVN6CCIS/Mailing List
support@hackerone.comhttps://security.gentoo.org/glsa/202310-12Third Party Advisory
support@hackerone.comhttps://security.netapp.com/advisory/ntap-20231013-0005/Third Party Advisory
support@hackerone.comhttps://support.apple.com/kb/HT214036Third Party Advisory
support@hackerone.comhttps://support.apple.com/kb/HT214057Third Party Advisory
support@hackerone.comhttps://support.apple.com/kb/HT214058Third Party Advisory
support@hackerone.comhttps://support.apple.com/kb/HT214063Third Party Advisory
support@hackerone.comhttps://www.insyde.com/security-pledge/SA-2023064Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2023/Oct/17Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/Jan/34Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/Jan/37Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/Jan/38Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/2072338Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DCZMYODALBLVOXVJEN2LF2MLANEYL4F/Mailing List
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M6KGKB2JNZVT276JYSKI6FV2VFJUGDOJ/Mailing List
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEAWTYHC3RT6ZRS5OZRHLAIENVN6CCIS/Mailing List
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202310-12Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20231013-0005/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT214036Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT214057Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT214058Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT214063Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.insyde.com/security-pledge/SA-2023064Third Party Advisory
Impacted products
Vendor Product Version
haxx curl *
fedoraproject fedora 37
fedoraproject fedora 38
fedoraproject fedora 39
microsoft windows_10_1809 *
microsoft windows_10_21h2 *
microsoft windows_10_22h2 *
microsoft windows_11_21h2 *
microsoft windows_11_22h2 *
microsoft windows_11_23h2 *
microsoft windows_server_2019 *
microsoft windows_server_2022 *
To clipboard 

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      "value": "When curl retrieves an HTTP response, it stores the incoming headers so that\nthey can be accessed later via the libcurl headers API.\n\nHowever, curl did not have a limit in how many or how large headers it would\naccept in a response, allowing a malicious server to stream an endless series\nof headers and eventually cause curl to run out of heap memory."
    },
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      "value": "Cuando curl recupera una respuesta HTTP, almacena los encabezados entrantes para que se pueda acceder a ellos m\u00e1s tarde a trav\u00e9s de la API de encabezados libcurl. Sin embargo, curl no ten\u00eda un l\u00edmite en cuanto a la cantidad o el tama\u00f1o de encabezados que aceptar\u00eda en una respuesta, lo que permit\u00eda que un servidor malicioso transmitiera una serie interminable de encabezados y, finalmente, provocara que curl se quedara sin memoria din\u00e1mica."
    }
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  "id": "CVE-2023-38039",
  "lastModified": "2025-12-02T20:15:46.680",
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
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          "value": "CWE-770"
        }
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  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.