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nvd-json-data-feeds/CVE-2022/CVE-2022-419xx/CVE-2022-41903.json
cad-safe-bot 5fc0b01395 Auto-Update: 2024-12-15T03:00:19.262894+00:00
2024-12-15 03:03:56 +00:00

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{
"id": "CVE-2022-41903",
"sourceIdentifier": "security-advisories@github.com",
"published": "2023-01-17T23:15:15.690",
"lastModified": "2024-11-21T07:24:01.993",
"vulnStatus": "Modified",
"cveTags": [],
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{
"lang": "en",
"value": "Git is distributed revision control system. `git log` can display commits in an arbitrary format using its `--format` specifiers. This functionality is also exposed to `git archive` via the `export-subst` gitattribute. When processing the padding operators, there is a integer overflow in `pretty.c::format_and_pad_commit()` where a `size_t` is stored improperly as an `int`, and then added as an offset to a `memcpy()`. This overflow can be triggered directly by a user running a command which invokes the commit formatting machinery (e.g., `git log --format=...`). It may also be triggered indirectly through git archive via the export-subst mechanism, which expands format specifiers inside of files within the repository during a git archive. This integer overflow can result in arbitrary heap writes, which may result in arbitrary code execution. The problem has been patched in the versions published on 2023-01-17, going back to v2.30.7. Users are advised to upgrade. Users who are unable to upgrade should disable `git archive` in untrusted repositories. If you expose git archive via `git daemon`, disable it by running `git config --global daemon.uploadArch false`."
},
{
"lang": "es",
"value": "Git es un sistema de control de revisiones distribuido. `git log` puede mostrar confirmaciones en un formato arbitrario usando sus especificadores `--format`. Esta funcionalidad tambi\u00e9n est\u00e1 expuesta a \"git archive\" a trav\u00e9s del atributo git \"export-subst\". Al procesar los operadores de relleno, hay un desbordamiento de enteros en `pretty.c::format_and_pad_commit()` donde `size_t` se almacena incorrectamente como `int` y luego se agrega como un desplazamiento a `memcpy()`. Este desbordamiento puede ser desencadenado directamente por un usuario que ejecuta un comando que invoca la maquinaria de formato de commit (por ejemplo, `git log --format=...`). Tambi\u00e9n se puede activar indirectamente a trav\u00e9s del archivo git mediante el mecanismo export-subst, que expande los especificadores de formato dentro de los archivos dentro del repositorio durante un archivo git. Este desbordamiento de enteros puede dar lugar a escrituras arbitrarias en el almacenamiento din\u00e1mico, lo que puede dar lugar a la ejecuci\u00f3n de c\u00f3digo arbitrario. El problema ha sido solucionado en las versiones publicadas el 17-01-2023, remont\u00e1ndose a la v2.30.7. Se recomienda a los usuarios que actualicen. Los usuarios que no puedan actualizar deben desactivar \"git archive\" en repositorios que no sean de confianza. Si expone el archivo git a trav\u00e9s de `git daemon`, desact\u00edvelo ejecutando `git config --global daemon.uploadArch false`."
}
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
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"source": "nvd@nist.gov",
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"source": "security-advisories@github.com",
"type": "Primary",
"description": [
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"lang": "en",
"value": "CWE-190"
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