CVE-2007-5639

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.

Score

CVSS 2.0 7.1 High

Status

Modified - cve@mitre.org

Published

2007-10-23

Last modified

2024-08-07

Affected products

• Ip Softphone 2050 (Nortel)
• Mobile Voice Client 2050 (Nortel)

References

• http://securityreason.com/securityalert/3273
• http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=654715
• http://www.csnc.ch/static/advisory/csnc/nortel_IP_phone_flooding_denial_of_service_v1.0.txt
• http://www.securityfocus.com/archive/1/482480/100/0/threaded
• http://www.securityfocus.com/bid/26122
• https://exchange.xforce.ibmcloud.com/vulnerabilities/37253