Show plain JSON{"containers": {"cna": {"affected": [{"product": "cosign", "vendor": "sigstore", "versions": [{"status": "affected", "version": "< 1.12.0"}]}], "descriptions": [{"lang": "en", "value": "Cosign is a project under the sigstore organization which aims to make signatures invisible infrastructure. In versions prior to 1.12.0 a number of vulnerabilities have been found in cosign verify-blob, where Cosign would successfully verify an artifact when verification should have failed. First a cosign bundle can be crafted to successfully verify a blob even if the embedded rekorBundle does not reference the given signature. Second, when providing identity flags, the email and issuer of a certificate is not checked when verifying a Rekor bundle, and the GitHub Actions identity is never checked. Third, providing an invalid Rekor bundle without the experimental flag results in a successful verification. And fourth an invalid transparency log entry will result in immediate success for verification. Details and examples of these issues can be seen in the GHSA-8gw7-4j42-w388 advisory linked. Users are advised to upgrade to 1.12.0. There are no known workarounds for these issues."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-347", "description": "CWE-347: Improper Verification of Cryptographic Signature", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-09-14T19:50:09.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/sigstore/cosign/security/advisories/GHSA-8gw7-4j42-w388"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/sigstore/cosign/commit/80b79ed8b4d28ccbce3d279fd273606b5cddcc25"}], "source": {"advisory": "GHSA-8gw7-4j42-w388", "discovery": "UNKNOWN"}, "title": " Vulnerabilities with blob verification in sigstore cosign", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2022-36056", "STATE": "PUBLIC", "TITLE": " Vulnerabilities with blob verification in sigstore cosign"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "cosign", "version": {"version_data": [{"version_value": "< 1.12.0"}]}}]}, "vendor_name": "sigstore"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Cosign is a project under the sigstore organization which aims to make signatures invisible infrastructure. In versions prior to 1.12.0 a number of vulnerabilities have been found in cosign verify-blob, where Cosign would successfully verify an artifact when verification should have failed. First a cosign bundle can be crafted to successfully verify a blob even if the embedded rekorBundle does not reference the given signature. Second, when providing identity flags, the email and issuer of a certificate is not checked when verifying a Rekor bundle, and the GitHub Actions identity is never checked. Third, providing an invalid Rekor bundle without the experimental flag results in a successful verification. And fourth an invalid transparency log entry will result in immediate success for verification. Details and examples of these issues can be seen in the GHSA-8gw7-4j42-w388 advisory linked. Users are advised to upgrade to 1.12.0. There are no known workarounds for these issues."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-347: Improper Verification of Cryptographic Signature"}]}]}, "references": {"reference_data": [{"name": "https://github.com/sigstore/cosign/security/advisories/GHSA-8gw7-4j42-w388", "refsource": "CONFIRM", "url": "https://github.com/sigstore/cosign/security/advisories/GHSA-8gw7-4j42-w388"}, {"name": "https://github.com/sigstore/cosign/commit/80b79ed8b4d28ccbce3d279fd273606b5cddcc25", "refsource": "MISC", "url": "https://github.com/sigstore/cosign/commit/80b79ed8b4d28ccbce3d279fd273606b5cddcc25"}]}, "source": {"advisory": "GHSA-8gw7-4j42-w388", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T09:52:00.499Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/sigstore/cosign/security/advisories/GHSA-8gw7-4j42-w388"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/sigstore/cosign/commit/80b79ed8b4d28ccbce3d279fd273606b5cddcc25"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-22T15:44:20.616284Z", "id": "CVE-2022-36056", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-22T17:21:40.980Z"}}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2022-36056", "datePublished": "2022-09-14T19:50:09.000Z", "dateReserved": "2022-07-15T00:00:00.000Z", "dateUpdated": "2025-04-22T17:21:40.980Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}