KVIrc "dot dot" directory traversal
|kvirc-dot-directory-traversal (7761)||Low Risk|
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.
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.
- BugTraq Mailing List, Fri, 24 Sep 1999 22:59:47 +0200: Kvirc bug.
- BugTraq Mailing List, Tue, 28 Sep 1999 00:20:19 -0000: Re: Kvirc bug.
- KVIrc Web site: Download.
- CVE-1999-1351: Directory traversal vulnerability in KVIrc IRC client 0.9.0 with the Listen to !nick <soundname> requests option enabled allows remote attackers to read arbitrary files via a .. (dot dot) in a DCC GET request.
- OSVDB ID: 6669: KVIrc IRC Client DCC Get Arbitrary File Read
- Szymon Stefanek (aka Pragma) KVIrc 0.9.0
Sep 24, 1999
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