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Bug 81146 - Colour index overflow attack
Colour index overflow attack
Product: Red Hat Linux
Classification: Retired
Component: xpdf (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Ngo Than
Mike McLean
: Security
Depends On:
  Show dependency treegraph
Reported: 2003-01-06 00:11 EST by Michal Jaegermann
Modified: 2007-04-18 12:49 EDT (History)
1 user (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2003-02-10 03:33:05 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Michal Jaegermann 2003-01-06 00:11:03 EST
Description of problem:

http://www.idefense.com/advisory/12.23.02.txt describes how to attack
pdftops filter used, among other things, by CUPS.  That advisory is
specifically for a version of xpdf currently in rawhide but it mentions
that it applies to all earlier versions as well.  It also includes a
reference to a patch (although 'indexHighA != indexHighA && 0xff' test
would be likely marginally simpler).
Comment 1 Mark J. Cox 2003-01-08 06:12:12 EST
known issue, erratum for CUPS and Xpdf packages is in progress
Comment 2 Mark J. Cox 2003-02-10 03:33:05 EST
CUPS was released some time ago, xpdf updates were completed last week.

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