Vulnerability Monitor

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CVE-2006-0805

The CAPTCHA functionality in php-Nuke 6.0 through 7.9 uses fixed challenge/response pairs that only vary once per day based on the User Agent (HTTP_USER_AGENT), which allows remote attackers to bypass CAPTCHA controls by fixing the User Agent, performing a valid challenge/response, then replaying that pair in the random_num and gfx_check parameters.

Published

2006-02-21T02:02:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    NVD-CWE-Other
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application francisco_burzi php-nuke 6.0 Yes
Application francisco_burzi php-nuke 6.5 Yes
Application francisco_burzi php-nuke 6.5_beta1 Yes
Application francisco_burzi php-nuke 6.5_final Yes
Application francisco_burzi php-nuke 6.5_rc1 Yes
Application francisco_burzi php-nuke 6.5_rc2 Yes
Application francisco_burzi php-nuke 6.5_rc3 Yes
Application francisco_burzi php-nuke 6.6 Yes
Application francisco_burzi php-nuke 6.7 Yes
Application francisco_burzi php-nuke 6.9 Yes
Application francisco_burzi php-nuke 7.0 Yes
Application francisco_burzi php-nuke 7.0_final Yes
Application francisco_burzi php-nuke 7.1 Yes
Application francisco_burzi php-nuke 7.2 Yes
Application francisco_burzi php-nuke 7.3 Yes
Application francisco_burzi php-nuke 7.4 Yes
Application francisco_burzi php-nuke 7.5 Yes
Application francisco_burzi php-nuke 7.6 Yes
Application francisco_burzi php-nuke 7.7 Yes
Application francisco_burzi php-nuke 7.8 Yes
Application francisco_burzi php-nuke 7.9 Yes
References