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Last updated: 10/20/2014 5:18:21 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2009-0388

Original release date: 02/04/2009
Last revised: 03/07/2011
Source: US-CERT/NIST

Overview

Multiple integer signedness errors in (1) UltraVNC 1.0.2 and 1.0.5 and (2) TightVnc 1.3.9 allow remote VNC servers to cause a denial of service (heap corruption and application crash) or possibly execute arbitrary code via a large length value in a message, related to the (a) ClientConnection::CheckBufferSize and (b) ClientConnection::CheckFileZipBufferSize functions in ClientConnection.cpp.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 10.0 (HIGH) (AV:N/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: MISC
Name: http://www.coresecurity.com/content/vnc-integer-overflows
External Source: BUGTRAQ
Name: 20090203 CORE-2008-1009 - VNC Multiple Integer Overflows
External Source: BID
Name: 33568
Type: Patch Information; Exploit
External Source: CONFIRM
Name: http://vnc-tight.svn.sourceforge.net/viewvc/vnc-tight?view=rev&revision=3564
External Source: MILW0RM
Name: 8024
External Source: SECUNIA
Name: 33807
External Source: MILW0RM
Name: 7990
External Source: VUPEN
Name: ADV-2009-0321
External Source: VUPEN
Name: ADV-2009-0322
External Source: CONFIRM
Name: http://forum.ultravnc.info/viewtopic.php?t=14654

Technical Details

Vulnerability Type (View All)