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.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N | 3.9 | 3.6 |
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-330,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| phpmybittorrent | phpmybittorrent | 1.2.2 |
| my123tkshop | e-commerce-suite | 0.9.1 |
| torrentflux_project | torrentflux | 2.3 |
| e107 | e107 | 0.7.11 |
| opendb | opendb | 1.5.0 |
| labgab | labgab | 1.1 |
| phpnuke | php-nuke | 8.1 |
| webze | webze | 0.5.9 |
| phpnuke | php-nuke | 7.0 |