Red Hat Network (RHN) Satellite Server 5.3 and 5.4 does not properly rewrite unspecified URLs, which allows remote attackers to (1) obtain unspecified sensitive host information or (2) use the server as an inadvertent proxy to connect to arbitrary services and IP addresses via unspecified vectors.

Session fixation vulnerability in Red Hat Network (RHN) Satellite Server 5.4 allows remote attackers to hijack web sessions via unspecified vectors related to Spacewalk.

Red Hat Network (RHN) Satellite Server 5.4 does not use a time delay after a failed login attempt, which makes it easier for remote attackers to conduct brute force password guessing attacks.