Joomla MS Comment Component Security Bypass and Cross-Site Scripting Vulnerabilities
BID:38250
Info
Joomla MS Comment Component Security Bypass and Cross-Site Scripting Vulnerabilities
| Bugtraq ID: | 38250 |
| Class: | Input Validation Error |
| CVE: | |
| Remote: | Yes |
| Local: | No |
| Published: | Jul 31 2009 12:00AM |
| Updated: | Jul 31 2009 12:00AM |
| Credit: | Jeff Channell |
| Vulnerable: |
Joomla MS Comment Component 0.8.0b |
| Not Vulnerable: | |
Discussion
Joomla MS Comment Component Security Bypass and Cross-Site Scripting Vulnerabilities
The MS Comment component for Joomla! is prone to a security-bypass vulnerability because it fails to properly sanitize user-supplied input. The component is also prone to a security-bypass vulnerability because it fails to reset the CAPTCHA after a submission.
An attacker may leverage these issues to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may help the attacker steal cookie-based authentication credentials and launch other attacks.
MS Comment 0.8.0b is vulnerable; other versions may also be affected.
The MS Comment component for Joomla! is prone to a security-bypass vulnerability because it fails to properly sanitize user-supplied input. The component is also prone to a security-bypass vulnerability because it fails to reset the CAPTCHA after a submission.
An attacker may leverage these issues to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may help the attacker steal cookie-based authentication credentials and launch other attacks.
MS Comment 0.8.0b is vulnerable; other versions may also be affected.
Exploit / POC
Joomla MS Comment Component Security Bypass and Cross-Site Scripting Vulnerabilities
Attackers can exploit these issues via a browser.
The following example commands are available:
" onmouseover="alert(String.fromCharCode(88,83,83))
" style="color:expression(alert(String.fromCharCode(88,83,83)))
Attackers can exploit these issues via a browser.
The following example commands are available:
" onmouseover="alert(String.fromCharCode(88,83,83))
" style="color:expression(alert(String.fromCharCode(88,83,83)))
Solution / Fix
Joomla MS Comment Component Security Bypass and Cross-Site Scripting Vulnerabilities
Solution:
Currently we are not aware of any vendor-supplied patches. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].
Solution:
Currently we are not aware of any vendor-supplied patches. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].
References
Joomla MS Comment Component Security Bypass and Cross-Site Scripting Vulnerabilities
References:
References:
- MS Comment Homepage (Joomla!)