CVE-2009-0388

Critical

Description

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.

SeverityCritical
CVSS10.0
Exploit probability—
ProductTightvnc
PublishedFeb 4, 2009
First seenFeb 4, 2009

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
tightvnc tightvnc1.3.9—
ultravnc ultravnc1.0.2, 1.0.5—

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