CVE-2008-4102

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2008-09-18 · updated 2026-06-16
Weakness: CWE-189

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.

Affected products

Joomla! Joomla: 1.5, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5 (+1)

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://secunia.com/advisories/31789
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
http://developer.joomla.org/security/news/272-20080902-core-random-number-generation-flaw.html
http://marc.info/?l=oss-security&m=122115344915232&w=2

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