CVE-2009-3704 Denial of service in n/a
Remote attackers can crash the ZoIPer softphone by sending a SIP INVITE request with an empty Call-Info header.
- 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-2009-3704?
CVE-2009-3704 is a medium-severity denial of service vulnerability in n/a, published on 16 Oct 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ZoIPer 2.22, and possibly other versions before 2.24 Library 5324, allows remote attackers to cause a denial of service (crash) via a SIP INVITE request with an empty Call-Info header.
Which versions are affected by CVE-2009-3704?
It affects 1 product.
Products include Zoiper Zoiper.
How do I fix CVE-2009-3704?
No fix has been published for CVE-2009-3704 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-2009-3704 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-3704 exists.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-gf9w-mffq-c45p.