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Bug 611890 - (CVE-2010-2631) CVE-2010-2631 libtiff: unknown tag handling assertion failure
CVE-2010-2631 libtiff: unknown tag handling assertion failure
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,source=internet,reported=2...
: Security
Depends On: 603699 1148869 1148870
Blocks:
  Show dependency tree / graph
 
Reported: 2010-07-06 15:08 EDT by Tomas Hoger
Modified: 2015-07-31 08:05 EDT (History)
2 users (show)

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Doc Type: Bug Fix
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Last Closed: 2010-07-06 15:18:54 EDT
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Description Tomas Hoger 2010-07-06 15:08:30 EDT 
LibTIFF 3.9.0 ignores tags in certain situations during the first
stage of TIFF file processing and does not properly handle this during
the second stage, which allows remote attackers to cause a denial of
service (application crash) via a crafted file, a different
vulnerability than CVE-2010-2481.

References:
http://bugzilla.maptools.org/show_bug.cgi?id=2210
Comment 1 Tomas Hoger 2010-07-06 15:18:54 EDT 
It seems this CVE was assigned based on the following comment in the upstream bug report:
  http://bugzilla.maptools.org/show_bug.cgi?id=2210#c3

It was added in response to the Red Hat bug:
  https://bugzilla.redhat.com/show_bug.cgi?id=603699

Upstream bug report #2210 contains patch to address issues related to handling of unknown tags, which could lead to various libtiff crashes, which got CVEs assigned (CVE-2010-2481, CVE-2010-2630 and CVE-2010-2631).  This particular vector did not affect libtiff packages in Red Hat Enterprise Linux 3, 4 and 5 (see bug #603699, comment #0).  Patch is included in libtiff-3.9.4-1 Fedora packages.

Statement:

Not vulnerable. This issue did not affect the versions of libtiff as shipped with Red Hat Enterprise Linux 3, 4, or 5.
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