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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`."}], "id": "CVE-2022-41903", "lastModified": "2024-11-21T07:24:01.993", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-01-17T23:15:15.690", "references": [{"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://git-scm.com/book/en/v2/Customizing-Git-Git-Attributes#_export_subst"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://git-scm.com/docs/pretty-formats#Documentation/pretty-formats.txt-emltltNgttruncltruncmtruncem"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Release Notes", "Third Party Advisory"], "url": "https://github.com/git/git/commit/508386c6c5857b4faa2c3e491f422c98cc69ae76"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/git/git/security/advisories/GHSA-475x-2q3q-hvwq"}, {"source": "security-advisories@github.com", "url": "https://security.gentoo.org/glsa/202312-15"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://git-scm.com/book/en/v2/Customizing-Git-Git-Attributes#_export_subst"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://git-scm.com/docs/pretty-formats#Documentation/pretty-formats.txt-emltltNgttruncltruncmtruncem"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Release Notes", "Third Party Advisory"], "url": "https://github.com/git/git/commit/508386c6c5857b4faa2c3e491f422c98cc69ae76"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/git/git/security/advisories/GHSA-475x-2q3q-hvwq"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/202312-15"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2023:0978", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "git-0:1.8.3.1-24.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2023-02-28T00:00:00Z"}, {"advisory": "RHSA-2023:0610", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "git-0:2.31.1-3.el8_7", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-02-06T00:00:00Z"}, {"advisory": "RHSA-2023:0599", "cpe": "cpe:/a:redhat:rhel_e4s:8.1", "package": "git-0:2.18.4-2.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2023-02-06T00:00:00Z"}, {"advisory": "RHSA-2023:0609", "cpe": "cpe:/a:redhat:rhel_aus:8.2", "package": "git-0:2.18.4-3.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2023-02-06T00:00:00Z"}, {"advisory": "RHSA-2023:0609", "cpe": "cpe:/a:redhat:rhel_tus:8.2", "package": "git-0:2.18.4-3.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Telecommunications Update Service", "release_date": "2023-02-06T00:00:00Z"}, {"advisory": "RHSA-2023:0609", "cpe": "cpe:/a:redhat:rhel_e4s:8.2", "package": "git-0:2.18.4-3.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions", "release_date": "2023-02-06T00:00:00Z"}, {"advisory": "RHSA-2023:0596", "cpe": "cpe:/a:redhat:rhel_eus:8.4", "package": "git-0:2.27.0-3.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2023-02-06T00:00:00Z"}, {"advisory": "RHSA-2023:0628", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "git-0:2.31.1-3.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2023-02-07T00:00:00Z"}, {"advisory": "RHSA-2023:0611", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "git-0:2.31.1-3.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-02-06T00:00:00Z"}, {"advisory": "RHSA-2023:0627", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "git-0:2.31.1-3.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-02-07T00:00:00Z"}, {"advisory": "RHSA-2023:0597", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-git227-git-0:2.27.0-4.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2023-02-06T00:00:00Z"}, {"advisory": "RHSA-2023:1677", "cpe": "cpe:/o:redhat:rhev_hypervisor:4.4::el8", "package": "redhat-virtualization-host-0:4.5.3-202304051438_8.6", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "release_date": "2023-04-10T00:00:00Z"}], "bugzilla": {"description": "git: Heap overflow in `git archive`, `git log --format` leading to RCE", "id": "2162056", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2162056"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-190", "details": ["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`.", "A flaw was found in Git, a distributed revision control system. This issue occurs due to an 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 the git archive via the export-subst mechanism, which expands format specifiers inside files within the repository during a git archive. This integer overflow can result in arbitrary heap writes, which may allow arbitrary code execution."], "name": "CVE-2022-41903", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "git", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:7", "fix_state": "Affected", "package_name": "git", "product_name": "Red Hat JBoss Data Grid 7"}], "public_date": "2023-01-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-41903\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-41903\nhttps://github.com/git/git/files/10430260/X41-OSTIF-Gitlab-Git-Security-Audit-20230117-public.pdf\nhttps://github.com/git/git/security/advisories/GHSA-475x-2q3q-hvwq\nhttps://www.openwall.com/lists/oss-security/2023/01/17/4"], "threat_severity": "Important"}

{}