mirror of
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272 lines
11 KiB
JSON
272 lines
11 KiB
JSON
{
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"id": "CVE-2022-39253",
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"sourceIdentifier": "security-advisories@github.com",
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"published": "2022-10-19T11:15:11.227",
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"lastModified": "2023-11-07T03:50:22.987",
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"vulnStatus": "Modified",
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"descriptions": [
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{
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"lang": "en",
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"value": "Git is an open source, scalable, distributed revision control system. Versions prior to 2.30.6, 2.31.5, 2.32.4, 2.33.5, 2.34.5, 2.35.5, 2.36.3, and 2.37.4 are subject to exposure of sensitive information to a malicious actor. When performing a local clone (where the source and target of the clone are on the same volume), Git copies the contents of the source's `$GIT_DIR/objects` directory into the destination by either creating hardlinks to the source contents, or copying them (if hardlinks are disabled via `--no-hardlinks`). A malicious actor could convince a victim to clone a repository with a symbolic link pointing at sensitive information on the victim's machine. This can be done either by having the victim clone a malicious repository on the same machine, or having them clone a malicious repository embedded as a bare repository via a submodule from any source, provided they clone with the `--recurse-submodules` option. Git does not create symbolic links in the `$GIT_DIR/objects` directory. The problem has been patched in the versions published on 2022-10-18, and backported to v2.30.x. Potential workarounds: Avoid cloning untrusted repositories using the `--local` optimization when on a shared machine, either by passing the `--no-local` option to `git clone` or cloning from a URL that uses the `file://` scheme. Alternatively, avoid cloning repositories from untrusted sources with `--recurse-submodules` or run `git config --global protocol.file.allow user`."
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},
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{
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"lang": "es",
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"value": "Git es un sistema de control de revisiones distribuido, escalable y de c\u00f3digo abierto. Las versiones anteriores a la 2.30.6, 2.31.5, 2.32.4, 2.33.5, 2.34.5, 2.35.5, 2.36.3 y 2.37.4 est\u00e1n sujetas a una exposici\u00f3n de informaci\u00f3n confidencial a un actor malicioso. Cuando es llevado a cabo un clon local (en el que el origen y el destino del clon est\u00e1n en el mismo volumen), Git copia el contenido del directorio \"$GIT_DIR/objects\" del origen en el destino creando enlaces duros al contenido del origen o copi\u00e1ndolo (si los enlaces duros est\u00e1n deshabilitados por medio de \"--no-hardlinks\"). Un actor malicioso podr\u00eda convencer a una v\u00edctima de clonar un repositorio con un enlace simb\u00f3lico que apunte a informaci\u00f3n confidencial en la m\u00e1quina de la v\u00edctima. Esto puede hacerse ya sea que la v\u00edctima clone un repositorio malicioso en la misma m\u00e1quina, o haciendo que clone un repositorio malicioso insertado como repositorio desnudo por medio de un subm\u00f3dulo de cualquier fuente, siempre que clone con la opci\u00f3n \"--recurse-submodules\". Git no crea enlaces simb\u00f3licos en el directorio \"$GIT_DIR/objects\". El problema ha sido parcheado en las versiones publicadas el 18-10-2022, y retrocedido a v2.30.x. Posibles mitigaciones: Evite clonar repositorios no confiables usando la optimizaci\u00f3n \"--local\" cuando est\u00e9 en una m\u00e1quina compartida, ya sea pasando la opci\u00f3n \"--no-local\" a \"git clone\" o clonando desde una URL que use el esquema \"file://\". Alternativamente, evita clonar repositorios de fuentes no confiables con \"--recurse-submodules\" o ejecuta \"git config --global protocol.file.allow user\""
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "REQUIRED",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "NONE",
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"availabilityImpact": "NONE",
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"baseScore": 5.5,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 3.6
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},
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{
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"source": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"type": "Secondary",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "REQUIRED",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "NONE",
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"availabilityImpact": "NONE",
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"baseScore": 5.5,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 3.6
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-59"
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}
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},
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{
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"source": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"type": "Secondary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-200"
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}
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]
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"configurations": [
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} |