Show plain JSON{"containers": {"cna": {"affected": [{"platforms": ["Java"], "product": "Tink", "vendor": "Google LLC", "versions": [{"lessThan": "1.5", "status": "affected", "version": "stable", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Peter Esbensen"}], "descriptions": [{"lang": "en", "value": "A mis-handling of invalid unicode characters in the Java implementation of Tink versions prior to 1.5 allows an attacker to change the ID part of a ciphertext, which result in the creation of a second ciphertext that can decrypt to the same plaintext. This can be a problem with encrypting deterministic AEAD with a single key, and rely on a unique ciphertext-per-plaintext."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-176", "description": "CWE-176 Improper Handling of Unicode Encoding", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-10-19T12:15:16", "orgId": "14ed7db2-1595-443d-9d34-6215bf890778", "shortName": "Google"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/google/tink/commit/93d839a5865b9d950dffdc9d0bc99b71280a8899"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/google/tink/security/advisories/GHSA-g5vf-v6wf-7w2r"}], "source": {"discovery": "EXTERNAL"}, "title": "Ciphertext integrity weakness in Tink", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@google.com", "ID": "CVE-2020-8929", "STATE": "PUBLIC", "TITLE": "Ciphertext integrity weakness in Tink"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Tink", "version": {"version_data": [{"platform": "Java", "version_affected": "<", "version_name": "stable", "version_value": "1.5"}]}}]}, "vendor_name": "Google LLC"}]}}, "credit": [{"lang": "eng", "value": "Peter Esbensen"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A mis-handling of invalid unicode characters in the Java implementation of Tink versions prior to 1.5 allows an attacker to change the ID part of a ciphertext, which result in the creation of a second ciphertext that can decrypt to the same plaintext. This can be a problem with encrypting deterministic AEAD with a single key, and rely on a unique ciphertext-per-plaintext."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-176 Improper Handling of Unicode Encoding"}]}]}, "references": {"reference_data": [{"name": "https://github.com/google/tink/commit/93d839a5865b9d950dffdc9d0bc99b71280a8899", "refsource": "CONFIRM", "url": "https://github.com/google/tink/commit/93d839a5865b9d950dffdc9d0bc99b71280a8899"}, {"name": "https://github.com/google/tink/security/advisories/GHSA-g5vf-v6wf-7w2r", "refsource": "CONFIRM", "url": "https://github.com/google/tink/security/advisories/GHSA-g5vf-v6wf-7w2r"}]}, "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T10:12:11.052Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/google/tink/commit/93d839a5865b9d950dffdc9d0bc99b71280a8899"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/google/tink/security/advisories/GHSA-g5vf-v6wf-7w2r"}]}]}, "cveMetadata": {"assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778", "assignerShortName": "Google", "cveId": "CVE-2020-8929", "datePublished": "2020-10-19T12:15:16", "dateReserved": "2020-02-12T00:00:00", "dateUpdated": "2024-08-04T10:12:11.052Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}