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Vulnerability Details : CVE-2008-2020

The CAPTCHA implementation as used in (1) Francisco Burzi PHP-Nuke 7.0 and 8.1, (2) my123tkShop e-Commerce-Suite (aka 123tkShop) 0.9.1, (3) phpMyBitTorrent 1.2.2, (4) TorrentFlux 2.3, (5) e107 0.7.11, (6) WebZE 0.5.9, (7) Open Media Collectors Database (aka OpenDb) 1.5.0b4, and (8) Labgab 1.1 uses a code_bg.jpg background image and the PHP ImageString function in a way that produces an insufficient number of different images, which allows remote attackers to pass the CAPTCHA test via an automated attack using a table of all possible image checksums and their corresponding digit strings.
Publish Date : 2008-04-30 Last Update Date : 2018-10-11
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 264

- Products Affected By CVE-2008-2020

# Product Type Vendor Product Version Update Edition Language
1 Application E107 E107 0.7.11 * * * Version Details Vulnerabilities
2 Application Labgab Labgab 1.1 * * * Version Details Vulnerabilities
3 Application My123tkshop E-commerce-suite 0.9.1 * * * Version Details Vulnerabilities
4 Application Opendb Opendb 1.5.0b4 * * * Version Details Vulnerabilities
5 Application Php-nuke Php-nuke 8.1 * * * Version Details Vulnerabilities
6 Application Phpmybittorrent Phpmybittorrent 1.2.2 * * * Version Details Vulnerabilities
7 Application Phpnuke Php-nuke 7.0 * * * Version Details Vulnerabilities
8 Application Torrentflux Torrentflux 2.3 * * * Version Details Vulnerabilities
9 Application Webze Webze 0.5.9 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
E107 E107 1
Labgab Labgab 1
My123tkshop E-commerce-suite 1
Opendb Opendb 1
Php-nuke Php-nuke 1
Phpmybittorrent Phpmybittorrent 1
Phpnuke Php-nuke 1
Torrentflux Torrentflux 1
Webze Webze 1

- References For CVE-2008-2020
BUGTRAQ 20080419 Deciphering the PHP-Nuke Capthca
XF captcha-imagestring-codebg-weak-security(42152)
BID 28877 Multiple Products Forgotten Password Feature CAPTCHA Security Bypass Vulnerability Release Date:2008-04-21

- Metasploit Modules Related To CVE-2008-2020

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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