CVE-2009-0388: Critical severity TightVNC TightVnc vulnerability
Multiple integer signedness errors in (1) UltraVNC 1.0.2 and 1.0.5 and (2) TightVnc 1.3.9 allow remote VNC servers to cause a denial of service (heap corruption and application crash) or possibly execute arbitrary code via a large length value in a message, related to the (a) ClientConnection::CheckBufferSize and (b) ClientConnection::CheckFileZipBufferSize functions in ClientConnection.cpp.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2009-0388?
CVE-2009-0388 is classified as a medium severity vulnerability due to its potential for denial of service and arbitrary code execution.
How do I fix CVE-2009-0388?
To fix CVE-2009-0388, upgrade to the latest versions of UltraVNC and TightVNC that address these integer signedness errors.
What software is affected by CVE-2009-0388?
The affected software includes UltraVNC versions 1.0.2 and 1.0.5, as well as TightVNC version 1.3.9.
What are the risks associated with CVE-2009-0388?
The risks associated with CVE-2009-0388 include potential application crashes and the execution of arbitrary code on remote servers.
Can CVE-2009-0388 be exploited remotely?
Yes, CVE-2009-0388 can be exploited remotely by sending crafted messages with large length values to the affected VNC servers.