REDHAT-BUG-1144293: Buffer Overflow

Published Sep 19, 2014

Updated

Two stack-based buffer overflow flaws were reported in LibVNCServer's file transfer handling. A VNC client could use these flaws to cause the VNC server to crash or, potentially, execute arbitrary code.

Upstream commits:

https://github.com/newsoft/libvncserver/commit/06ccdf016154fde8eccb5355613ba04c59127b2e

https://github.com/newsoft/libvncserver/commit/f528072216dec01cee7ca35d94e171a3b909e677

Affected Software

1 affected component

LibVNCServer LibVNCServer

Event History

Sep 19, 2014

Data Sourced

via Red Hat·07:42 AM

DescriptionSeverityAffected Software

Frequently Asked Questions

What is the severity of REDHAT-BUG-1144293?

REDHAT-BUG-1144293 is classified as a critical vulnerability due to its potential for remote code execution.

How do I fix REDHAT-BUG-1144293?

To fix REDHAT-BUG-1144293, update the LibVNCServer to the latest version where the buffer overflow vulnerabilities have been addressed.

What systems are affected by REDHAT-BUG-1144293?

REDHAT-BUG-1144293 affects systems running vulnerable versions of LibVNCServer.

What can an attacker accomplish with REDHAT-BUG-1144293?

An attacker exploiting REDHAT-BUG-1144293 could crash the VNC server or potentially execute arbitrary code.

Is there a workaround for REDHAT-BUG-1144293?

There is no specific workaround for REDHAT-BUG-1144293; the best course of action is to apply the necessary updates to LibVNCServer.