KVIrc "dot dot" directory traversal

kvirc-dot-directory-traversal (7761) The risk level is classified as LowLow Risk

Description:

KVIrc could allow a remote attacker to traverse directories on a victim's system. If the 'Listen to !nick <soundname> requests' option is enabled, a remote attacker can send a specially-crafted DCC GET request containing "dot dot" sequences (/../) to traverse directories and view any known file on the system.


Consequences:

Obtain Information

Remedy:

Upgrade to the latest version of KVIrc (2.1.1 or later), available from the KVIrc Web site. See References.

As a workaround, disable the 'Listen to !nick <soundname> requests.' option in the (Sound) tab of the Misc options dialog.

References:

Platforms Affected:

  • Szymon Stefanek (aka Pragma) KVIrc 0.9.0

Reported:

Sep 24, 1999

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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