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6.8
CVSSv2

CVE-2007-1521

Published: 20/03/2007 Updated: 08/03/2011
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
VMScore: 685
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
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Vulnerability Summary

Double free vulnerability in PHP prior to 4.4.7, and 5.x prior to 5.2.2, allows context-dependent malicious users to execute arbitrary code by interrupting the session_regenerate_id function, as demonstrated by calling a userspace error handler or triggering a memory limit violation.

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Vendor Advisories

Ubuntu Security Notice: php5 vulnerabilities
Stefan Esser discovered multiple vulnerabilities in the “Month of PHP bugs” ...
Debian Security Advisories: DSA-1283-1 php5 -- several vulnerabilities
Several remote vulnerabilities have been discovered in PHP, a server-side, HTML-embedded scripting language, which may lead to the execution of arbitrary code The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2007-1286 Stefan Esser discovered an overflow in the object reference handling code of the un ...
Debian Security Advisories: DSA-1282-1 php4 -- several vulnerabilities
Several remote vulnerabilities have been discovered in PHP, a server-side, HTML-embedded scripting language, which may lead to the execution of arbitrary code The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2007-1286 Stefan Esser discovered an overflow in the object reference handling code of the un ...

Exploits

Exploit DB: PHP 5.2.1 - 'session_regenerate_id()' Double-Free
<?php //////////////////////////////////////////////////////////////////////// // _ _ _ _ ___ _ _ ___ // // | || | __ _ _ _ __| | ___ _ _ ___ __| | ___ | _ \| || || _ \ // // | __ |/ _` || '_|/ _` |/ -_)| ' \ / -_)/ _` ||___|| _/| __ || _/ // // |_||_|\__,_||_| \__,_|\___||_||_|\_ ...

References

NVD-CWE-Otherhttp://www.php-security.org/MOPB/MOPB-22-2007.htmlhttp://www.securityfocus.com/bid/22968http://secunia.com/advisories/24505http://www.debian.org/security/2007/dsa-1282http://www.debian.org/security/2007/dsa-1283http://www.ubuntu.com/usn/usn-455-1http://secunia.com/advisories/25025http://secunia.com/advisories/25062http://us2.php.net/releases/4_4_7.phphttp://us2.php.net/releases/5_2_2.phphttp://secunia.com/advisories/25057http://docs.info.apple.com/article.html?artnum=306172http://lists.apple.com/archives/security-announce//2007/Jul/msg00004.htmlhttp://security.gentoo.org/glsa/glsa-200705-19.xmlhttp://www.novell.com/linux/security/advisories/2007_32_php.htmlhttp://www.securityfocus.com/bid/25159http://secunia.com/advisories/25056http://secunia.com/advisories/25445http://secunia.com/advisories/26235http://www.vupen.com/english/advisories/2007/2732http://www.vupen.com/english/advisories/2007/0960https://usn.ubuntu.com/455-1/https://nvd.nist.govhttps://www.exploit-db.com/exploits/3479/
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