CVE-2008-2107 Information
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The GENERATE_SEED macro in PHP 4.x before 4.4.8 and 5.x before 5.2.5 when running on 32-bit systems performs a multiplication using values that can produce a zero seed in rare circumstances which allows context-dependent attackers to predict subsequent values of the rand and mt_rand functions and possibly bypass protection mechanisms that rely on an unknown initial seed.
Reference
http://archives.neohapsis.com/archives/fulldisclosure/2008-05/0103.html http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00001.html http://secunia.com/advisories/30757 http://secunia.com/advisories/30828 http://secunia.com/advisories/30967 http://secunia.com/advisories/31119 http://secunia.com/advisories/31124 http://secunia.com/advisories/31200 http://secunia.com/advisories/32746 http://secunia.com/advisories/35003 http://security.gentoo.org/glsa/glsa-200811-05.xml http://securityreason.com/securityalert/3859 http://www.debian.org/security/2009/dsa-1789 http://www.mandriva.com/security/advisories?name=MDVSA-2008:125 http://www.mandriva.com/security/advisories?name=MDVSA-2008:126 http://www.mandriva.com/security/advisories?name=MDVSA-2008:127 http://www.mandriva.com/security/advisories?name=MDVSA-2008:128 http://www.mandriva.com/security/advisories?name=MDVSA-2008:129 http://www.mandriva.com/security/advisories?name=MDVSA-2008:130 http://www.redhat.com/support/errata/RHSA-2008-0505.html http://www.redhat.com/support/errata/RHSA-2008-0544.html http://www.redhat.com/support/errata/RHSA-2008-0545.html http://www.redhat.com/support/errata/RHSA-2008-0546.html http://www.redhat.com/support/errata/RHSA-2008-0582.html http://www.securityfocus.com/archive/1/491683/100/0/threaded http://www.sektioneins.de/advisories/SE-2008-02.txt http://www.ubuntu.com/usn/usn-628-1 https://exchange.xforce.ibmcloud.com/vulnerabilities/42226 https://exchange.xforce.ibmcloud.com/vulnerabilities/42284 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A10644 https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00773.html https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00779.html