PeopleSoft People Tools 8.4x uses PSCipher() for encryption/hashing purposes which suffers from several problems that can allow the encryption to become compromised.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/43631/PSCipher-enc.txt
Source: https://packetstormsecurity.com/files/43631/PSCipher-enc.txt.html

