SSL Certificate Chain Contains Weak RSA Keys

SSL Certificate Chain Contains Weak RSA Keys | Report Data

Analysis:

During the analysis, it was observed that the certificates sent by the remote host have a key that is shorter than 2048 bits. According to industry standards set by the Certification Authority/Browser (CA/B) Forum, certificates issued after January 1, 2014 must be at least 2048 bits. Please refer to the below-provided evidence:

Impact:

As computer power increases, anything less than 2048-bit certificates are at risk of being compromised by hackers with sophisticated processing capabilities. Some browser SSL implementations may reject keys less than 2048 bits after January 1, 2014. Additionally, some SSL certificate vendors may revoke certificates less than 2048 bits before January 1, 2014.

Recommendation:

It is recommended to replace the certificate in the chain with the RSA key less than 2048 bits in length with a longer key, and reissue any certificates signed by the old certificate.

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