CVE-2006-1652 Memory corruption in n/a
Buffer overflows in UltraVNC allow remote code execution via malicious servers or denial of service via long HTTP requests.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2006-1652?
CVE-2006-1652 is a critical memory corruption vulnerability in n/a, published on 6 Apr 2006. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Multiple buffer overflows in (a) UltraVNC (aka Ultr@VNC) 1.0.1 and earlier and (b) tabbed_viewer 1.29 (1) allow user-assisted remote attackers to execute arbitrary code via a malicious server that sends a long string to a client that connects on TCP port 5900, which triggers an overflow in Log::ReallyPrint; and (2) allow remote attackers to cause a denial of service (server crash) via a long HTTP GET request to TCP port 5800, which triggers an overflow in VNCLog::ReallyPrint.
Weakness: CWE-119
Which versions are affected by CVE-2006-1652?
It affects 2 products.
Products include Ultravnc Tabbed Viewer, Ultravnc Vnc Viewer.
How do I fix CVE-2006-1652?
No fix has been published for CVE-2006-1652 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2006-1652 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2006-1652 exists.
Public exploit code: 1 Metasploit module and 3 Exploit-DB entries.
Sources
Also known as GHSA-m87x-468w-hp6j.