Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
CVE-2019-11808
Summary
Ratpack versions before 1.6.1 generate a session ID using a cryptographically weak PRNG in the JDK's ThreadLocalRandom. This means that if an attacker can determine a small window for the server start time and obtain a session ID value, they can theoretically determine the sequence of session IDs.
- HIGH
- NETWORK
- NONE
- UNCHANGED
- NONE
- NONE
- LOW
- NONE
CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong.
References
Advisory Timeline
- Published
