Description
Integer overflow in the NumberFormatter::getSymbol (aka numfmt_get_symbol) function in PHP 5.3.3 and earlier allows context-dependent attackers to cause a denial of service (application crash) via an invalid argument.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- PHP 5.3.3 - NumberFormatter::getSymbol Integer Overflow EDB-15722 · dos · Dec 10, 2010
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- http://svn.php.net/viewvc?view=revision&revision=305571
- ADV-2011-0077 vdb-entry
- 47674 third-party-advisory
- FEDORA-2010-19011 vendor-advisory
- 42812 third-party-advisory
- MDVSA-2010:255 vendor-advisory
- APPLE-SA-2011-03-21-1 vendor-advisory
- USN-1042-1 vendor-advisory
- ADV-2011-0021 vdb-entry
- http://www.php.net/ChangeLog-5.php
- openSUSE-SU-2012:0100 vendor-advisory
- 20101210 PHP 5.3.3 NumberFormatter::getSymbol Integer Overflow mailing-list
- MDVSA-2010:254 vendor-advisory
- 15722 exploit
- FEDORA-2010-18976 vendor-advisory
- ADV-2011-0020 vdb-entry
- http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/formatter/formatter_attr.c?r1=305571&r2=305570&pathrev=305571
- 45119 vdb-entry
- http://support.apple.com/kb/HT4581
- VU#479900 third-party-advisory