Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | >= 4.0.0, < 4.4.8 |
| Fedoraproject | Fedora | 8 |
| Canonical | Ubuntu Linux | 6.06 |
| Debian | Debian Linux | 4.0 |
Related Weaknesses (CWE)
References
- http://archives.neohapsis.com/archives/fulldisclosure/2008-05/0103.htmlBroken LinkExploit
- http://secunia.com/advisories/30757Broken Link
- http://secunia.com/advisories/30828Broken Link
- http://secunia.com/advisories/31119Broken Link
- http://secunia.com/advisories/31124Broken Link
- http://secunia.com/advisories/31200Broken Link
- http://secunia.com/advisories/32746Broken Link
- http://secunia.com/advisories/35003Broken Link
- http://security.gentoo.org/glsa/glsa-200811-05.xmlThird Party Advisory
- http://securityreason.com/securityalert/3859Mailing List
- http://www.debian.org/security/2009/dsa-1789Mailing List
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:125Broken Link
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:126Broken Link
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:127Broken Link
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:128Broken Link
FAQ
What is CVE-2008-2108?
CVE-2008-2108 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 insuffici...
How severe is CVE-2008-2108?
CVE-2008-2108 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2008-2108?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php, Fedoraproject Fedora, Canonical Ubuntu Linux, Debian Debian Linux.