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Bug #53885 ZipArchive segfault with FL_UNCHANGED on empty archive
Submitted: 2011-01-30 23:15 UTC Modified: 2011-01-30 23:31 UTC
From: stas@php.net Assigned: stas (profile)
Status: Closed Package: Zip Related
PHP Version: 5.3SVN-2011-01-30 (SVN) OS: *
Private report: No CVE-ID: None
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 [2011-01-30 23:15 UTC] stas@php.net 
Description:
------------
From Maksymilian Arciemowicz:


PoC1:
php -r '$nx=new
ZipArchive();$nx->open("/dev/null");$nx-
>locateName("a",ZIPARCHIVE::FL_UNCHANGED);'

PoC2:
php -r '$nx=new
ZipArchive();$nx->open("empty.zip");$nx->statName("a",ZIPARCHIVE::FL_UNCHANGED);'


Segfault in _zip_name_locate.

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 [2011-01-30 23:28 UTC] stas@php.net 
Automatic comment from SVN on behalf of stas
Revision: http://svn.php.net/viewvc/?view=revision&revision=307867
Log: fix bug 53885 (ZipArchive segfault with FL_UNCHANGED on empty archive)
 [2011-01-30 23:30 UTC] stas@php.net
-Status: Open +Status: Closed -Assigned To: +Assigned To: stas
 [2011-01-30 23:30 UTC] stas@php.net 
This bug has been fixed in SVN.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.
 
Thank you for the report, and for helping us make PHP better.
 [2011-01-30 23:31 UTC] stas@php.net
-Package: Zlib related +Package: Zip Related
 
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