FormShield 'CAPTCHA' Replay Security Bypass Vulnerability
BID:34708
Info
FormShield 'CAPTCHA' Replay Security Bypass Vulnerability
| Bugtraq ID: | 34708 |
| Class: | Design Error |
| CVE: | |
| Remote: | Yes |
| Local: | No |
| Published: | Apr 24 2009 12:00AM |
| Updated: | Apr 28 2009 03:56PM |
| Credit: | Arvind Doraiswamy |
| Vulnerable: |
Kevin Gearing FormShield 1.1 |
| Not Vulnerable: |
Kevin Gearing FormShield 2.0 |
Discussion
FormShield 'CAPTCHA' Replay Security Bypass Vulnerability
FormShield is prone to a security-bypass vulnerability.
Successfully exploiting this issue will allow an attacker to reuse CAPTCHA images. This may lead to other attacks.
Versions prior to FormShield 2.0 are vulnerability.
FormShield is prone to a security-bypass vulnerability.
Successfully exploiting this issue will allow an attacker to reuse CAPTCHA images. This may lead to other attacks.
Versions prior to FormShield 2.0 are vulnerability.
Exploit / POC
FormShield 'CAPTCHA' Replay Security Bypass Vulnerability
Attackers can exploit this issue using readily available tools.
Attackers can exploit this issue using readily available tools.
Solution / Fix
FormShield 'CAPTCHA' Replay Security Bypass Vulnerability
Solution:
The vendor has released updates. Please contact the vendor for details.
Kevin Gearing FormShield 1.1
Solution:
The vendor has released updates. Please contact the vendor for details.
Kevin Gearing FormShield 1.1
-
Jeff Atwood dotNetFreak.WebControls.FormShield.2.0.1.zip
http://dotnetfreak.co.uk/files/folders/1572/download.aspx
References
FormShield 'CAPTCHA' Replay Security Bypass Vulnerability
References:
References:
- FormShield for .NET 2.0 Released (Kevin Gearing)
- FormShield Homepage (Kevin Gearing)
- Formshield Captcha - Older Version vulnerable to replay attacks (arvind doraiswamy
) - Re: Formshield Captcha - Older Version vulnerable to replay attacks (arvind doraiswamy
)