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Certificate is Signed Using a Weak Signature Algorithm - Vulnerability Database

Certificate is Signed Using a Weak Signature Algorithm

Description

Invicti detected that a certificate is signed using a weak signature algorithm.

The weak signature algorithm is known to be cryptographically weak and vulnerable to collision attacks.

Remediation

<p><span>You'll need to generate a new certificate request, and get your CA to issue you a new certificate using SHA-2.</span></p>

References

OWASP - Insecure Configuration Management
SHA1 Deprecation - What You Need to Know
Why Google is Hurrying the Web to Kill SHA-1
MD5 Considered Harmful Today - Creating a Rogue CA Certificate
OWASP Top 10-2017 A3-Sensitive Data Exposure
MS Security Advisory - Research Proves Feasibility of Collision Attacks Against MD5

Severity

High

Classification

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N