CVE-2008-2020

moderate-risk
Published 2008-04-30

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.

Do I need to act?

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0.58% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (9)

E-Commerce-Suite
Opendb
Phpmybittorrent
Php-Nuke
Php-Nuke
Webze
Labgab
Torrentflux

Affected Vendors

Phpmybittorrent Torrentflux Project Phpnuke E107 Webze My123Tkshop Labgab Opendb

References (10)

Broken Link http://securityreason.com/securityalert/3834
Broken Link http://www.rooksecurity.com/blog/?p=6
Broken Link http://www.securityfocus.com/archive/1/491127/100/0/threaded
Broken Link http://www.securityfocus.com/bid/28877
Third Party Advisory https://exchange.xforce.ibmcloud.com/vulnerabilities/42152
Broken Link http://securityreason.com/securityalert/3834
Broken Link http://www.rooksecurity.com/blog/?p=6
Broken Link http://www.securityfocus.com/archive/1/491127/100/0/threaded
Broken Link http://www.securityfocus.com/bid/28877
Third Party Advisory https://exchange.xforce.ibmcloud.com/vulnerabilities/42152
43
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 15/34 · Moderate