CVE-2006-3204

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2006-06-24 · updated 2026-06-16

Description

Ultimate PHP Board (UPB) 1.9.6 and earlier uses a cryptographically weak block cipher with a large key collision space, which allows remote attackers to determine a suitable decryption key given the plaintext and ciphertext by obtaining the plaintext password, which is sent when logging in, and the ciphertext, which is set in the pass_env cookie.

Affected products

Ultimate Php Board: 1.8, 1.8.2, 1.9, 1.9.6

References

http://securityreason.com/securityalert/1138
http://www.kliconsulting.com/users/mbrooks/UPB_0-day.txt
http://www.securityfocus.com/archive/1/437875/100/0/threaded
http://securityreason.com/securityalert/1138
http://www.kliconsulting.com/users/mbrooks/UPB_0-day.txt
http://www.securityfocus.com/archive/1/437875/100/0/threaded

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