Mission and Overview
NVD is the U.S. government repository of standards based vulnerability management data. This data enables automation of vulnerability management, security measurement, and compliance (e.g. FISMA).
Resource Status
NVD contains:

Last updated: 5/27/2016 11:58:01 PM

CVE Publication rate: 20.23

Email List

NVD provides four mailing lists to the public. For information and subscription instructions please visit NVD Mailing Lists

Workload Index
Vulnerability Workload Index: 12.5
About Us
NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

National Cyber Awareness System

Vulnerability Summary for CVE-2008-2108

Original release date: 05/07/2008
Last revised: 10/30/2012


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 Severity (version 2.0):
CVSS v2 Base Score: 7.5 HIGH
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: UBUNTU
Name: USN-628-1
External Source: MANDRIVA
Name: MDVSA-2008:125
External Source: GENTOO
Name: GLSA-200811-05
External Source: REDHAT
Name: RHSA-2008:0505
External Source: MANDRIVA
Name: MDVSA-2008:129
External Source: OVAL
Name: oval:org.mitre.oval:def:10844
External Source: FEDORA
Name: FEDORA-2008-3606
External Source: MISC
Name: http://www.sektioneins.de/advisories/SE-2008-02.txt
External Source: REDHAT
Name: RHSA-2008:0545
External Source: DEBIAN
Name: DSA-1789
External Source: XF
Name: php-generateseed-weak-security(42226)
External Source: FEDORA
Name: FEDORA-2008-3864
External Source: REDHAT
Name: RHSA-2008:0546
External Source: REDHAT
Name: RHSA-2008:0544
External Source: MANDRIVA
Name: MDVSA-2008:127
External Source: REDHAT
Name: RHSA-2008:0582
External Source: BUGTRAQ
Name: 20080506 Advisory SE-2008-02: PHP GENERATE_SEED() Weak Random Number Seed Vulnerability
External Source: FULLDISC
Name: 20080506 Advisory SE-2008-02: PHP GENERATE_SEED() Weak Random Number Seed Vulnerability
External Source: MANDRIVA
Name: MDVSA-2008:128
External Source: MANDRIVA
Name: MDVSA-2008:130
External Source: MANDRIVA
Name: MDVSA-2008:126
External Source: SREASON
Name: 3859

References to Check Content

Identifier: oval:org.mitre.oval:def:10844
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

Vulnerability Type (View All)