A high-profile attack on PBS, the U.S. Public Broadcasting System, was made possible by a previously unknown hole in the MoveableType content management software, according to the hacking group that claimed responsibility for the hack.

Cisco published an advisory report yesterday detailing multiple vulnerabilities in there Unified Communications Manager.

There are three denial of service vulnerabilities that affect session initiation protocol services, two SQL injection vulnerabilities, and a directory transversal vulnerability.

These bugs affect versions 6-8 of Cisco’s Unified Communications Manager.

The DoS bugs are triggered by a malformed SIP message that could cause a critical process to fail, resulting in the failure of voice services.

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