CVE-2007-5640

The CVE-2007-5640 issue affects Nortel UNIStim products (e.g., UNIStim IP Softphone 2050, IP Phone 1140E and related lines such as BCM and Mobile Voice Client). A resume message to the Signaling Server with a spoofed source IP can allow remote attackers to block calls and force re-registration; t...

CVE-2007-5637

The CVE-2007-5637 entry applies to Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and related Nortel products (IP Phone, BCM, and other lines). The vulnerability is described as remote eavesdropping on the physical environment via an Open Audio Stream message that enables a surveillance mode. ...

CVE-2007-5638

The CVE-2007-5638 entry concerns Nortel UNIStim family devices (e.g., IP Softphone 2050, IP Phone 1140E and related BCM/IP phone lines). The underlying issue is that the 32-bit RUDP datagram ID field uses only 65,536 possible values, making it easier for remote attackers to guess the RUDP ID and ...