The Connection Manager in Cisco Jabber Extensible Communications Platform (aka Jabber XCP) does not properly validate login data, which allows remote attackers to cause a denial of service (service crash) by sending a series of malformed login packets, aka Bug ID CSCts76762.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.