CVE-2014-0011: Buffer Overflow
First published: Thu Jan 09 2014(Updated: )
A heap-based buffer overflow was found in the way vncviewer rendered certain screen images from a vnc server. If a user could be tricked into connecting to a malicious vnc server, it may cause the vncviewer to crash, or could possibly execute arbitrary code with the permissions of the user running it.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/tigervnc | <1.3.1 | 1.3.1 |
| TigerVNC | <1.3.1 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=859269&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=859269&action=edit
- http://sourceforge.net/p/tigervnc/mailman/message/32120476/
- http://sourceforge.net/p/tigervnc/code/5163
- http://sourceforge.net/p/tigervnc/code/5164
- https://bugzilla.redhat.com/show_bug.cgi?id=1050928
- https://github.com/TigerVNC/tigervnc/releases/tag/v1.3.1
Frequently Asked Questions
What is the severity of CVE-2014-0011?
CVE-2014-0011 is classified as a high-severity vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2014-0011?
To fix CVE-2014-0011, upgrade to TigerVNC version 1.3.1 or later.
Who is affected by CVE-2014-0011?
Users of TigerVNC versions prior to 1.3.1 are vulnerable to CVE-2014-0011.
What kind of attack is possible with CVE-2014-0011?
CVE-2014-0011 allows an attacker to execute arbitrary code or crash the vncviewer by tricking the user into connecting to a malicious VNC server.
Is CVE-2014-0011 exploitable remotely?
Yes, CVE-2014-0011 can be exploited remotely if a user connects to a compromised VNC server.
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