Title: AdCycle AdLogin.pm Admin Autentication Bypass Vulnerability
Severity: HIGH
Description:
AdCycle is a series of scripts to facilitate ad banner rotation on a website. It is backended with a MySQL database. Adcycle is distributed as shareware.
AdLogin.pm is the user authentication script that comes bundled with AdCycle.
Unchecked user-input is included in SQL queries. It is possible for attackers to construct input that will alter the logic of the query that is using during the authentication process.
This is the format of the command AdLogin.pm uses to authenticate users:
"SELECT * FROM ad WHERE LOGIN='$account' AND PASSWORD='$password'"
The remote attacker would need to craft a URL with 'ADMIN' as the $account and 'X' OR 1 #' as the $password argument. This will alter the logic of the query and cause a response that will trick the service into thinking that the user has already authenticated.
If exploited the attacker would have all the privileges of an administrator of the AdCycle service, including the ability to change ad banners.
Affected Products:
- Adcycle.com Adcycle 0.77.0
- Adcycle.com Adcycle 0.77.0b
- Adcycle.com Adcycle 0.78.0b
- Adcycle.com Adcycle 1.0.0
- Adcycle.com Adcycle 1.12.0
- Adcycle.com Adcycle 1.13.0
- Adcycle.com Adcycle 1.14.0
- Adcycle.com Adcycle 1.15.0
References:
- Adcycle.com: Adcycle homepage
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