Vulnerabilities > Nortel > IP Phone 2002

DATE CVE VULNERABILITY TITLE RISK
2007-10-23 CVE-2007-5640 Remote Denial of Service vulnerability in Nortel UNIStim IP Phone
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 that has a spoofed source IP address for the phone.
network
nortel
7.1
2007-10-23 CVE-2007-5639 Denial of Service vulnerability in Nortel IP Phones UNIStim Messages
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.
network
nortel
7.1
2007-10-23 CVE-2007-5638 Information Exposure vulnerability in Nortel products
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 guess the RUDP ID and spoof messages.
network
nortel CWE-200
4.3
2007-10-23 CVE-2007-5637 Information Exposure vulnerability in Nortel products
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." NOTE: issues relating to a small ID number space can be leveraged to make this attack easier.
network
nortel CWE-200
4.3