Vulnerability CVE-2008-4102


Published: 2008-09-18   Modified: 2012-02-13

Description:
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.

See advisories in our WLB2 database:
Topic
Author
Date
High
Joomla Weak Random Password Reset Token Vulnerability
Stefan Esser
11.09.2008

Type:

CWE-189

(Numeric Errors)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Joomla -> Joomla 

 References:
http://developer.joomla.org/security/news/272-20080902-core-random-number-generation-flaw.html
http://marc.info/?l=oss-security&m=122115344915232&w=2
http://marc.info/?l=oss-security&m=122118210029084&w=2
http://marc.info/?l=oss-security&m=122152798516853&w=2
http://securityreason.com/securityalert/4271
http://www.securityfocus.com/archive/1/496237/100/0/threaded
http://www.sektioneins.de/advisories/SE-2008-04.txt
http://www.suspekt.org/2008/08/17/mt_srand-and-not-so-random-numbers/
https://exchange.xforce.ibmcloud.com/vulnerabilities/45068

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