CVE-2024-24806 (GCVE-0-2024-24806)
Vulnerability from cvelistv5
Published
2024-02-07 21:44
Modified
2025-02-13 17:40
Severity ?
7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Summary
libuv is a multi-platform support library with a focus on asynchronous I/O. The `uv_getaddrinfo` function in `src/unix/getaddrinfo.c` (and its windows counterpart `src/win/getaddrinfo.c`), truncates hostnames to 256 characters before calling `getaddrinfo`. This behavior can be exploited to create addresses like `0x00007f000001`, which are considered valid by `getaddrinfo` and could allow an attacker to craft payloads that resolve to unintended IP addresses, bypassing developer checks. The vulnerability arises due to how the `hostname_ascii` variable (with a length of 256 bytes) is handled in `uv_getaddrinfo` and subsequently in `uv__idna_toascii`. When the hostname exceeds 256 characters, it gets truncated without a terminating null byte. As a result attackers may be able to access internal APIs or for websites (similar to MySpace) that allows users to have `username.example.com` pages. Internal services that crawl or cache these user pages can be exposed to SSRF attacks if a malicious user chooses a long vulnerable username. This issue has been addressed in release version 1.48.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.
References
security-advisories@github.comhttp://www.openwall.com/lists/oss-security/2024/02/08/2Mailing List, Third Party Advisory
security-advisories@github.comhttp://www.openwall.com/lists/oss-security/2024/02/11/1Mailing List, Third Party Advisory
security-advisories@github.comhttp://www.openwall.com/lists/oss-security/2024/03/11/1
security-advisories@github.comhttps://github.com/libuv/libuv/commit/0f2d7e784a256b54b2385043438848047bc2a629Patch
security-advisories@github.comhttps://github.com/libuv/libuv/commit/3530bcc30350d4a6ccf35d2f7b33e23292b9de70Patch
security-advisories@github.comhttps://github.com/libuv/libuv/commit/c858a147643de38a09dd4164758ae5b685f2b488Patch
security-advisories@github.comhttps://github.com/libuv/libuv/commit/e0327e1d508b8207c9150b6e582f0adf26213c39Patch
security-advisories@github.comhttps://github.com/libuv/libuv/security/advisories/GHSA-f74f-cvh7-c6q6Exploit, Vendor Advisory
security-advisories@github.comhttps://gitlab.kitware.com/cmake/cmake/-/issues/26112
security-advisories@github.comhttps://lists.debian.org/debian-lts-announce/2024/03/msg00005.html
security-advisories@github.comhttps://security.netapp.com/advisory/ntap-20240605-0008/
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/02/08/2Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/02/11/1Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/03/11/1
af854a3a-2127-422b-91ae-364da2661108https://github.com/libuv/libuv/commit/0f2d7e784a256b54b2385043438848047bc2a629Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/libuv/libuv/commit/3530bcc30350d4a6ccf35d2f7b33e23292b9de70Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/libuv/libuv/commit/c858a147643de38a09dd4164758ae5b685f2b488Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/libuv/libuv/commit/e0327e1d508b8207c9150b6e582f0adf26213c39Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/libuv/libuv/security/advisories/GHSA-f74f-cvh7-c6q6Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://gitlab.kitware.com/cmake/cmake/-/issues/26112
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/03/msg00005.html
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20240605-0008/
Impacted products
Vendor Product Version
libuv libuv Version: >= 1.45.0, < 1.48.0
 Create a notification for this product.
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When the hostname exceeds 256 characters, it gets truncated without a terminating null byte. As a result attackers may be able to access internal APIs or for websites (similar to MySpace) that allows users to have `username.example.com` pages. Internal services that crawl or cache these user pages can be exposed to SSRF attacks if a malicious user chooses a long vulnerable username. This issue has been addressed in release version 1.48.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.\"},{\"lang\":\"es\",\"value\":\"libuv es una librería de soporte multiplataforma centrada en E/S asíncrona. La función `uv_getaddrinfo` en `src/unix/getaddrinfo.c` (y su contraparte de Windows `src/win/getaddrinfo.c`), trunca los nombres de host a 256 caracteres antes de llamar a `getaddrinfo`. Este comportamiento se puede aprovechar para crear direcciones como `0x00007f000001`, que `getaddrinfo` considera válidas y podrían permitir a un atacante crear payloads que se resuelvan en direcciones IP no deseadas, evitando las comprobaciones de los desarrolladores. La vulnerabilidad surge debido a cómo se maneja la variable `hostname_ascii` (con una longitud de 256 bytes) en `uv_getaddrinfo` y posteriormente en `uv__idna_toascii`. Cuando el nombre de host supera los 256 caracteres, se trunca sin un byte nulo final. Como resultado, los atacantes pueden acceder a API internas o a sitios web (similares a MySpace) que permiten a los usuarios tener páginas `nombre de usuario.ejemplo.com`. Los servicios internos que rastrean o almacenan en caché estas páginas de usuario pueden quedar expuestos a ataques SSRF si un usuario malintencionado elige un nombre de usuario largo y vulnerable. Este problema se solucionó en la versión 1.48.0. Se recomienda a los usuarios que actualicen. No se conocen workarounds para esta vulnerabilidad.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L\",\"baseScore\":7.3,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":3.4},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L\",\"baseScore\":7.3,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":3.4}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-918\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libuv:libuv:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.24.0\",\"versionEndExcluding\":\"1.48.0\",\"matchCriteriaId\":\"7A5D8905-1DA8-45F4-886D-2FDAA3C722DF\"}]}]}],\"references\":[{\"url\":\"http://www.openwall.com/lists/oss-security/2024/02/08/2\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/02/11/1\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/03/11/1\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/libuv/libuv/commit/0f2d7e784a256b54b2385043438848047bc2a629\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/libuv/libuv/commit/3530bcc30350d4a6ccf35d2f7b33e23292b9de70\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/libuv/libuv/commit/c858a147643de38a09dd4164758ae5b685f2b488\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/libuv/libuv/commit/e0327e1d508b8207c9150b6e582f0adf26213c39\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/libuv/libuv/security/advisories/GHSA-f74f-cvh7-c6q6\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Exploit\",\"Vendor Advisory\"]},{\"url\":\"https://gitlab.kitware.com/cmake/cmake/-/issues/26112\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/03/msg00005.html\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20240605-0008/\",\"source\":\"security-advisories@github.com\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/02/08/2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/02/11/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/03/11/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://github.com/libuv/libuv/commit/0f2d7e784a256b54b2385043438848047bc2a629\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/libuv/libuv/commit/3530bcc30350d4a6ccf35d2f7b33e23292b9de70\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/libuv/libuv/commit/c858a147643de38a09dd4164758ae5b685f2b488\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/libuv/libuv/commit/e0327e1d508b8207c9150b6e582f0adf26213c39\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/libuv/libuv/security/advisories/GHSA-f74f-cvh7-c6q6\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Vendor Advisory\"]},{\"url\":\"https://gitlab.kitware.com/cmake/cmake/-/issues/26112\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/03/msg00005.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20240605-0008/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
   },
}


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