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e107 0.7.19 logs the X-Forwarded-For for manipulation of the logs

CVE Category Price Severity
N/A CWE-Other Not specified High
Author Risk Exploitation Type Date
Not specified High Remote 2010-04-26
CVSS EPSS EPSSP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N 0 0

CVSS vector description

Our sensors found this exploit at: http://cxsecurity.com/ascii/WLB-2010040134

Below is a copy:

Vulnerability ID: HTB22343
Reference: http://www.htbridge.ch/advisory/ip_address_spoofing_in_e107.html
Product: e107 Website System
Vendor: e107
Vulnerable Version: 0.7.19 and Probably Prior Versions
Vendor Notification: 05 April 2010 
Vulnerability Type: Application Logic Error
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: Low 
Credit: High-Tech Bridge SA (http://www.htbridge.ch/) 

Vulnerability Details:
An attacker can spoof his IP address in the system logs. Attacker can alter the X-Forwarded-For field and system will log this value as real. IP-bases filtering systems can be bypassed, fake or local IPs may be logged instead of the real. Vulnerability is critical for IP-based authentications.

Attacker can use browser to exploit this vulnerability. The following PoC is available: 

X-Forwarded-For: 1.2.3.4



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