QID 982739

QID 982739: Nodejs (npm) Security Update for jose-node-cjs-runtime (GHSA-rvcw-f68w-8h8h)

Security update has been released for jose-node-cjs-runtime to fix the vulnerability.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

[AES_CBC_HMAC_SHA2 Algorithm](https://tools.ietf.org/html/rfc7518#section-5.2) (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).

CVSS V3 rated as Medium - 5.9 severity.

CVSS V2 rated as Medium - 4.3 severity.

Solution

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`.

Vendor References

GHSA-rvcw-f68w-8h8h - github.com/advisories/GHSA-rvcw-f68w-8h8h

CVEs related to QID 982739

CVE-2021-29446 |

Software Advisories

Advisory ID	Software	Component	Link
GHSA-rvcw-f68w-8h8h	jose-node-cjs-runtime		github.com/advisories/GHSA-rvcw-f68w-8h8h

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