CVE-2004-1940 Denial of service in n/a
Remote attackers can crash KPhone via a malformed STUN response packet, causing a denial of service.
- 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-2004-1940?
CVE-2004-1940 is a medium-severity denial of service vulnerability in n/a, published on 10 May 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
sipclient.cpp in KPhone 4.0.1 and earlier allows remote attackers to cause a denial of service (crash) via a STUN response packet with a large attrLen value that causes an out-of-bounds read.
Weakness: CWE-125
Which versions are affected by CVE-2004-1940?
It affects 1 product.
Products include Wirlab Kphone.
How do I fix CVE-2004-1940?
No fix has been published for CVE-2004-1940 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-2004-1940 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2004-1940 exists.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-m893-mxxx-c9r6.