CVE-2007-5639 Denial of service in n/a
Remote attackers can cause a denial of service on Nortel IP phones by flooding them with spoofed mute messages.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2007-5639?
CVE-2007-5639 is a high-severity denial of service vulnerability in n/a, published on 23 Oct 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2007-5639?
It affects 2 products.
Products include Nortel Ip Softphone 2050, Nortel Mobile Voice Client 2050.
How do I fix CVE-2007-5639?
No fix has been published for CVE-2007-5639 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2007-5639 being exploited?
There is no known exploitation of CVE-2007-5639 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-85f9-vx62-63wg.