CVE-2008-2020 Security feature bypass in n/a

High 7.5 Published 30 Apr 2008 Updated 7 Aug 2024

Remote attackers can bypass CAPTCHA protections in various PHP web applications by using automated tools to match precomputed image checksums.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2008-2020?

CVE-2008-2020 is a high-severity vulnerability in E107 E107, published on 30 Apr 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-330

Which versions are affected by CVE-2008-2020?

It affects 8 products.

Products include E107 E107, Labgab Labgab, My123tkshop E-Commerce-Suite, Opendb Opendb, Phpmybittorrent Phpmybittorrent, Phpnuke Php-Nuke and 2 more.

How do I fix CVE-2008-2020?

No fix has been published for CVE-2008-2020 yet. Limit exposure of the affected software until one is available.

Is CVE-2008-2020 being exploited?

There is no known exploitation of CVE-2008-2020 in the wild and no public exploit code.

All E107 E107 vulnerabilities

Sources

Also known as GHSA-wrr7-jq3q-5wxj.