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CVE-2008-2108Date: (C)2008-05-07   (M)2017-10-04


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 and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 7.5
Exploit Score: Exploit Score: 10.0
Impact Score: Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: NETWORK
Attack Complexity: Access Complexity: LOW
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: PARTIAL
Scope: Integrity: PARTIAL
Confidentiality: Availability: PARTIAL
Integrity:  
Availability:  
  
Reference:
http://www.securityfocus.com/archive/1/archive/1/491683/100/0/threaded
SECUNIA-30757
SECUNIA-30828
SECUNIA-31119
SECUNIA-31124
SECUNIA-31200
SECUNIA-32746
SECUNIA-35003
SREASON-3859
DSA-1789
FEDORA-2008-3606
FEDORA-2008-3864
GLSA-200811-05
MDVSA-2008:125
MDVSA-2008:126
MDVSA-2008:127
MDVSA-2008:128
MDVSA-2008:129
MDVSA-2008:130
RHSA-2008:0505
RHSA-2008:0544
RHSA-2008:0545
RHSA-2008:0546
RHSA-2008:0582
USN-628-1
http://www.sektioneins.de/advisories/SE-2008-02.txt
php-generateseed-weak-security(42226)

CPE    25
cpe:/a:php:php:5.2.3
cpe:/a:php:php:5.2.4
cpe:/a:php:php:5.2.0
cpe:/a:php:php:5.2.1
...
CWE    1
CWE-189
OVAL    5
oval:org.secpod.oval:def:301530
oval:org.secpod.oval:def:301251
oval:org.secpod.oval:def:301343
oval:org.secpod.oval:def:600376
...

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