Vulnerability in E107
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.017 (75.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- E107 — versions 0.7.11
- Labgab — versions 1.1
- My123tkshop E-Commerce-Suite — versions 0.9.1
- Opendb — versions 1.5.0
- Phpmybittorrent — versions 1.2.2
- Phpnuke Php-Nuke — versions 7.0, 8.1
- Torrentflux Project — versions 2.3
- Webze — versions 0.5.9
Weakness classification (CWE)
References
- www.securityfocus.com/archive/1/491127/100/0/threaded (mailing-list, VDB Entry, Third Party Advisory, Broken Link)
- securityreason.com/securityalert/3834 (Broken Link, third-party-advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/42152 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/28877 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- www.rooksecurity.com/blog/ (Broken Link)
Frequently asked questions
- What is CVE-2008-2020?
- CVE-2008-2020 is a high-severity vulnerability in E107, classified under Use of Insufficiently Random Values. CVSS score: 7.5/10. Published 2008-04-30.
- How severe is CVE-2008-2020?
- High severity. CVSS v3 base score is 7.5 out of 10.