CVE-2014-6052

High

Description

The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of service (application crash) or possibly execute arbitrary code by specifying a large screen size in a (1) FramebufferUpdate, (2) ResizeFrameBuffer, or (3) PalmVNCReSizeFrameBuffer message.

SeverityHigh
CVSS7.5
Exploit probability—
ProductLibvncserver
PublishedDec 15, 2014
First seenDec 15, 2014

How to fix

Affected products

ProductAffected versionsFixed in
libvncserver libvncserverv ≤ 0.9.9—
oracle solaris11.3—
debian debian_linux7.0—
canonical ubuntu_linux12.04, 14.04—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.