CVE-2007-5639

The CVE-2007-5639 entry concerns Nortel UNIStim family devices (Nortel UNIStim IP Softphone 2050, IP Phone 1140E, plus other Nortel IP Phone, Mobile Voice Client, and WLAN Handsets). The vulnerability allows remote attackers to cause a denial of service (device hang) by sending a flood of Mute/Un...

CVE-2007-5640: Undefined Security Weakness

The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and additional Nortel products from the IP Phone, Business Communications Manager BCM, Mobile Voice Client, and other product lines, allow remote attackers to block calls and force re-registration via a resume message to the Signaling Server...

CVE-2007-5638: Exposure of Sensitive Information to an Unauthorized Actor

The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and additional Nortel products from the IP Phone, Business Communications Manager BCM, and other product lines, use only 65536 different values in the 32-bit ID number field of an RUDP datagram, which makes it easier for remote attackers to...

CVE-2007-5637: Exposure of Sensitive Information to an Unauthorized Actor

The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and additional Nortel products from the IP Phone, Business Communications Manager BCM, and other product lines allow remote attackers to eavesdrop on the physical environment via an Open Audio Stream message that enables "surveillance mode."...

CVE-2007-5639: Undefined Security Weakness

The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and other Nortel IP Phone, Mobile Voice Client, and WLAN Handsets products allow remote attackers to cause a denial of service device hang via a flood of Mute and UnMute messages that have a spoofed source IP address for the Signaling Server...