Format string on URI

CVSS Base Vector:
AV:N/AC:L/Au:N/C:C/I:C/A:C

Summary:
The remote web server seems to be vulnerable to a format string attack on the URI. An attacker might use this flaw to make it crash or even execute arbitrary code on this host.

Detection Method:
Send a crafted request via HTTP GET and check whether the server is vulnerable to format string attack.

Technical Details:
Flaw is due to the application fails to properly sanitize user-supplied input before including it in the format-specifier argument of a formatted-printing function.

Impact:
Successful exploitation will allow remote attackers to execute code, read the stack, or cause a segmentation fault in the running application, causing new behaviors that could compromise the security or the stability of the system.

Recommendations:
Upgrade your software or contact your vendor and inform him of this vulnerability.

Detection Type:
Remote Banner Unreliable

Solution Type:
Vendor Patch

References:

https://www.owasp.org/index.php/Format_string_attack