CVE-2009-2533 Denial of service in n/a
Remote attackers can crash the RealNetworks Helix Server daemon by sending multiple RTSP SET_PARAMETER requests with empty headers.
- 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-2009-2533?
CVE-2009-2533 is a medium-severity denial of service vulnerability in n/a, published on 20 Jul 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
rmserver in RealNetworks Helix Server and Helix Mobile Server before 13.0.0 allows remote attackers to cause a denial of service (daemon exit) via multiple RTSP SET_PARAMETER requests with empty DataConvertBuffer headers.
Weakness: CWE-20
Which versions are affected by CVE-2009-2533?
It affects 2 products.
Products include Realnetworks Helix Server, Realnetworks Helix Server Mobile.
How do I fix CVE-2009-2533?
No fix has been published for CVE-2009-2533 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-2009-2533 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-2533 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-rf3m-97mp-6cvj.