A lack of rate limiting in the One-Time Password (OTP) verification endpoint of SigningHub v8.6.8 allows attackers to bypass verification via a bruteforce attack.
The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Signinghub | Ascertia | * | 8.6.8 (including) |
Common protection mechanisms include:
Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].
Consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator. [REF-45]