Bug 494531 - (CVE-2009-1272) CVE-2009-1272 php: crash when extracting zip file with relative paths
CVE-2009-1272 php: crash when extracting zip file with relative paths
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
All Linux
low Severity low
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Assigned To: Red Hat Product Security
: Security
Depends On: 487371
Blocks: CVE-2008-5658
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Reported: 2009-04-07 06:59 EDT by Tomas Hoger
Modified: 2009-06-16 03:05 EDT (History)
3 users (show)

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Doc Type: Bug Fix
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Last Closed: 2009-06-16 03:05:31 EDT
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Description Tomas Hoger 2009-04-07 06:59:23 EDT
PHP 5.2.9 upstream release notes mention following security fix:

  Fixed a crash on extract in zip when files or directories entry names
  contain a relative path. (Pierre)


Upstream commit:

Note: This fix is related to CVE-2008-5658, as the checking was only introduced as part of that patch.
Comment 1 Joe Orton 2009-04-07 08:24:30 EDT
Just noting that CVE-2008-5658 is bug 474824.
Comment 2 Tomas Hoger 2009-04-09 03:37:36 EDT
The php_zip_make_relative_path function in php_zip.c in PHP 5.2.x
before 5.2.9 allows context-dependent attackers to cause a denial of
service (crash) via a ZIP file that contains filenames with relative
paths, which is not properly handled during extraction.
Comment 3 Tomas Hoger 2009-06-16 03:05:31 EDT
Proper fix for CVE-2008-5658 was used in Red Hat Applications Stacks v2 updates.  PHP packages in Red Hat Enterprise Linux 2.1, 3, 4, and 5, and Red Hat Applications Stacks v1 were not affected by this flaw.

All Fedora versions are updated to 5.2.9 now.

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