Description
The GENERATE_SEED macro in PHP 4.x before 4.4.8 and 5.x before 5.2.5, when running on 64-bit systems, performs a multiplication that generates a portion of zero bits during conversion due to insufficient precision, which produces 24 bits of entropy and simplifies brute force attacks against protection mechanisms that use the rand and mt_rand functions.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00779.html ↗
- http://secunia.com/advisories/32746 ↗
- http://archives.neohapsis.com/archives/fulldisclosure/2008-05/0103.html ↗
- http://security.gentoo.org/glsa/glsa-200811-05.xml ↗
- http://www.redhat.com/support/errata/RHSA-2008-0546.html ↗
- https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00773.html ↗
- http://secunia.com/advisories/30828 ↗
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:128 ↗
- http://securityreason.com/securityalert/3859 ↗
- http://www.redhat.com/support/errata/RHSA-2008-0582.html ↗
- http://www.ubuntu.com/usn/usn-628-1 ↗
- http://www.redhat.com/support/errata/RHSA-2008-0545.html ↗
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42226 ↗
- http://secunia.com/advisories/31124 ↗
- http://secunia.com/advisories/31119 ↗
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:129 ↗
- http://secunia.com/advisories/31200 ↗
- http://secunia.com/advisories/30757 ↗
- http://www.redhat.com/support/errata/RHSA-2008-0544.html ↗
- http://secunia.com/advisories/35003 ↗
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:125 ↗
- http://www.redhat.com/support/errata/RHSA-2008-0505.html ↗
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10844 ↗
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:130 ↗
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:126 ↗
- http://www.securityfocus.com/archive/1/491683/100/0/threaded ↗
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:127 ↗
- http://www.sektioneins.de/advisories/SE-2008-02.txt ↗
- http://www.debian.org/security/2009/dsa-1789 ↗