Vulnerabilites related to panva - jose-node-esm-runtime
CVE-2021-29445 (GCVE-0-2021-29445)
Vulnerability from cvelistv5
Published
2021-04-16 21:50
Modified
2024-08-03 22:02
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-203 - {"":"Observable Discrepancy"}
Summary
jose-node-esm-runtime is an npm package which provides a number of cryptographic functions. In versions prior to 3.11.4 the AES_CBC_HMAC_SHA2 Algorithm (A128CBC-HS256, A192CBC-HS384, A256CBC-HS512) decryption would always execute both HMAC tag verification and CBC decryption, if either failed `JWEDecryptionFailed` would be thrown. But a possibly observable difference in timing when padding error would occur while decrypting the ciphertext makes a padding oracle and an adversary might be able to make use of that oracle to decrypt data without knowing the decryption key by issuing on average 128*b calls to the padding oracle (where b is the number of bytes in the ciphertext block). A patch was released which ensures the HMAC tag is verified before performing CBC decryption. The fixed versions are `>=3.11.4`. Users should upgrade to `^3.11.4`.
References
► | URL | Tags | ||||||
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Impacted products
Vendor | Product | Version | ||
---|---|---|---|---|
panva | jose-node-esm-runtime |
Version: < 3.11.4 |
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In versions prior to 3.11.4 the AES_CBC_HMAC_SHA2 Algorithm (A128CBC-HS256, A192CBC-HS384, A256CBC-HS512) decryption would always execute both HMAC tag verification and CBC decryption, if either failed `JWEDecryptionFailed` would be thrown. But a possibly observable difference in timing when padding error would occur while decrypting the ciphertext makes a padding oracle and an adversary might be able to make use of that oracle to decrypt data without knowing the decryption key by issuing on average 128*b calls to the padding oracle (where b is the number of bytes in the ciphertext block). A patch was released which ensures the HMAC tag is verified before performing CBC decryption. The fixed versions are `\u003e=3.11.4`. Users should upgrade to `^3.11.4`." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-203", "description": "{\"CWE-203\":\"Observable Discrepancy\"}", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-04-16T21:50:13", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/panva/jose/security/advisories/GHSA-4v4g-726h-xvfv" }, { "tags": [ "x_refsource_MISC" ], "url": "https://www.npmjs.com/package/jose-node-esm-runtime" } ], "source": { "advisory": "GHSA-4v4g-726h-xvfv", "discovery": "UNKNOWN" }, "title": "Padding Oracle Attack due to Observable Timing Discrepancy in jose-node-esm-runtime", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-29445", "STATE": "PUBLIC", "TITLE": "Padding Oracle Attack due to Observable Timing Discrepancy in jose-node-esm-runtime" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "jose-node-esm-runtime", "version": { "version_data": [ { "version_value": "\u003c 3.11.4" } ] } } ] }, "vendor_name": "panva" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "jose-node-esm-runtime is an npm package which provides a number of cryptographic functions. 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