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AUSCERT External Security Bulletin Redistribution
ESB-2008.0442 -- [UNIX/Linux]
KDE - KHTML PNG Loader Buffer Overflow
30 April 2008
AusCERT Security Bulletin Summary
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact: Execute Arbitrary Code/Commands
CVE Names: CVE-2008-1670
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KDE Security Advisory: KHTML PNG Loader Buffer Overflow
Original Release Date: 2008-04-26
1. Systems affected:
KHTML, as shipped with KDE 4.0 or newer. KDE 3.x is not affected.
The new progressive PNG Image loader in KHTML of KDE 4.0 and newer
can be tricked into overrunning a heap allocated memory buffer
by loading a specially encoded image.
A remote site can cause a denial of service and possibly execute
arbitrary code in the context of the user.
Source code patches have been made available which fix these
vulnerabilities. Contact your OS vendor / binary package provider
for information about how to obtain updated binary packages.
A patch for KDE 4.0 and newer is available from
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