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...
HighCVSS 7.1
EPSS 1.8%
- Published
- Updated
- Exploit status
- No public exploit known
Description
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nortel ip softphone 2050 | All versions | No fix listed |
| nortel mobile voice client 2050 | All versions | No fix listed |
References
- 3273 third-party-advisory
- support.nortel.com patch
- www.csnc.ch exploit
- 20071018 Nortel IP Phone Flooding Denial of Service mailing-list
- 26122 patch vdb-entry
- nortel-ipphone-spoof-dos(37253) vdb-entry