National Cyber Awareness System

Vulnerability Summary for CVE-2008-4102

Overview

Joomla! 1.5 before 1.5.7 initializes PHP's PRNG with a weak seed, which makes it easier for attackers to guess the pseudo-random values produced by PHP's mt_rand function, as demonstrated by guessing password reset tokens, a different vulnerability than CVE-2008-3681.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: XF

Name: joomla-randomnumbers-info-disclosure(45068)

Hyperlink:http://xforce.iss.net/xforce/xfdb/45068

External Source: MISC

Name: http://www.suspekt.org/2008/08/17/mt_srand-and-not-so-random-numbers/

Hyperlink:http://www.suspekt.org/2008/08/17/mt_srand-and-not-so-random-numbers/

External Source: MISC

Name: http://www.sektioneins.de/advisories/SE-2008-04.txt

Hyperlink:http://www.sektioneins.de/advisories/SE-2008-04.txt

External Source: BUGTRAQ

Name: 20080911 Advisory 04/2008: Joomla Weak Random Password Reset Token Vulnerability

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/496237/100/0/threaded

External Source: SREASON

Name: 4271

Hyperlink:http://securityreason.com/securityalert/4271

External Source: SECUNIA

Name: 31789

Hyperlink:http://secunia.com/advisories/31789

External Source: MLIST

Name: [oss-security] 20080916 Re: CVE request: joomla < 1.5.7

Hyperlink:http://marc.info/?l=oss-security&m=122152798516853&w=2

External Source: MLIST

Name: [oss-security] 20080911 CVE request for Joomla multiple vuln.

Hyperlink:http://marc.info/?l=oss-security&m=122118210029084&w=2

External Source: MLIST

Name: [oss-security] 20080911 CVE request: joomla < 1.5.7

Hyperlink:http://marc.info/?l=oss-security&m=122115344915232&w=2

External Source: CONFIRM

Name: http://developer.joomla.org/security/news/272-20080902-core-random-number-generation-flaw.html

Hyperlink:http://developer.joomla.org/security/news/272-20080902-core-random-number-generation-flaw.html