CVE-2008-3493 Denial of service in n/a
Remote VNC servers can crash the RealVNC Windows Client via crafted frame buffer update packets, causing 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-2008-3493?
CVE-2008-3493 is a medium-severity denial of service vulnerability in n/a, published on 6 Aug 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
vncviewer.exe in RealVNC Windows Client 4.1.2.0 allows remote VNC servers to cause a denial of service (application crash) via a crafted frame buffer update packet.
Weakness: CWE-20
Which versions are affected by CVE-2008-3493?
It affects 1 product.
Products include Realvnc Realvnc Windows Client.
How do I fix CVE-2008-3493?
No fix has been published for CVE-2008-3493 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-2008-3493 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2008-3493 exists.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-h2jf-52qm-348c.