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Sec Bug #64879 Heap based buffer overflow in quoted_printable_encode
Submitted: 2013-05-20 08:53 UTC Modified: 2013-06-08 09:17 UTC
From: stas@php.net Assigned: stas (profile)
Status: Closed Package: Strings related
PHP Version: 5.3.25 OS: *
Private report: No CVE-ID: 2013-2110
View Developer Edit
 [2013-05-20 08:53 UTC] stas@php.net 
Description:
------------
quoted_printable_encode calculates the string size wrong, so overflow is 
possible. 

Test script:
---------------
quoted_printable_encode(str_repeat("\xf4", 1000));

Expected result:
----------------
No crash

Actual result:
--------------
Segfault

Patches

quotedfix (last revision 2013-05-22 07:07 UTC by stas@php.net)

Pull Requests

History

AllCommentsChangesGit/SVN commitsRelated reports
 [2013-05-20 08:54 UTC] stas@php.net
-CVE-ID: +CVE-ID: 2013-2110
 [2013-05-22 07:07 UTC] stas@php.net 
The following patch has been added/updated:

Patch Name: quotedfix
Revision:   1369206432
URL:        https://bugs.php.net/patch-display.php?bug=64879&patch=quotedfix&revision=1369206432
 [2013-06-05 05:01 UTC] stas@php.net
-Status: Open +Status: Closed -Assigned To: +Assigned To: stas
 [2013-06-05 05:01 UTC] stas@php.net 
The fix for this bug has been committed.

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/.

 For Windows:

http://windows.php.net/snapshots/
 
Thank you for the report, and for helping us make PHP better.
 [2021-10-03 23:10 UTC] php5443 at gmail dot com 
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