CVE-2022-28737

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{"affected": [{"affectedData": [{"packageName": "shim", "platforms": ["Linux"], "product": "shim", "repo": "https://github.com/rhboot/shim/", "vendor": "Red Hat Bootloader Team", "versions": [{"lessThan": "15.6", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@ubuntu.com"}, {"affectedData": [{"cpes": ["cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "shim", "vendor": "redhat", "versions": [{"lessThan": "15.6", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:*", "matchCriteriaId": "0A305DFD-CD50-408F-843E-0234EE1D25DA", "versionEndExcluding": "15.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "There's a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code execution is not discarded in such scenario."}, {"lang": "es", "value": "Hay un posible desbordamiento en handle_image() cuando shim intenta cargar y ejecutar ejecutables EFI manipulados; La funci\u00f3n handle_image() tiene en cuenta el campo SizeOfRawData de cada secci\u00f3n a cargar. Un atacante puede aprovechar esto para realizar escrituras fuera de l\u00edmites en la memoria. La ejecuci\u00f3n de c\u00f3digo arbitrario no se descarta en dicho escenario."}], "id": "CVE-2022-28737", "lastModified": "2026-11-10T12:10:00.177", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.6, "impactScore": 5.9, "source": "security@ubuntu.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-28737", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-10-22T13:15:51.434701Z", "version": "2.0.3"}}]}, "published": "2023-07-20T01:15:10.473", "references": [{"source": "security@ubuntu.com", "tags": ["Third Party Advisory"], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28737"}, {"source": "security@ubuntu.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28737"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"}], "sourceIdentifier": "security@ubuntu.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2022:5095", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "shim-0:15.6-1.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-06-16T00:00:00Z"}, {"advisory": "RHSA-2022:5095", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "shim-unsigned-x64-0:15.6-1.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-06-16T00:00:00Z"}, {"advisory": "RHSA-2022:5098", "cpe": "cpe:/o:redhat:rhel_e4s:8.1", "package": "shim-0:15.6-1.el8", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2022-06-16T00:00:00Z"}, {"advisory": "RHSA-2022:5100", "cpe": "cpe:/o:redhat:rhel_eus:8.2", "package": "shim-0:15.6-1.el8", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2022-06-16T00:00:00Z"}, {"advisory": "RHSA-2022:5100", "cpe": "cpe:/o:redhat:rhel_eus:8.2", "package": "shim-unsigned-x64-0:15.6-1.el8", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2022-06-16T00:00:00Z"}, {"advisory": "RHSA-2022:5096", "cpe": "cpe:/o:redhat:rhel_eus:8.4", "package": "shim-0:15.6-1.el8", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-06-16T00:00:00Z"}, {"advisory": "RHSA-2022:5096", "cpe": "cpe:/o:redhat:rhel_eus:8.4", "package": "shim-unsigned-x64-0:15.6-1.el8", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-06-16T00:00:00Z"}, {"advisory": "RHSA-2022:5099", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "shim-0:15.6-1.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-06-16T00:00:00Z"}, {"advisory": "RHSA-2022:5099", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "shim-unsigned-x64-0:15.6-1.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-06-16T00:00:00Z"}], "bugzilla": {"description": "shim: Buffer overflow when loading crafted EFI images", "id": "2090899", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2090899"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-120", "details": ["There's a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code execution is not discarded in such scenario.", "A flaw was found in shim during the handling of EFI executables. A crafted EFI image can lead to an overflow in shim. This flaw allows an attacker to perform an out-of-bounds write in memory. A successful attack can lead to data integrity, confidentiality issues, and arbitrary code execution."], "name": "CVE-2022-28737", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "shim", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2022-06-07T17:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-28737\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-28737"], "threat_severity": "Moderate"}

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