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TITLE:
Caucho Resin Multiple Information Disclosure Vulnerabilities

SECUNIA ADVISORY ID:
SA25286

VERIFY ADVISORY:
http://secunia.com/advisories/25286/

CRITICAL:
Moderately critical

IMPACT:
Exposure of system information, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
Caucho Resin 3.x
http://secunia.com/product/2375/

DESCRIPTION:
Derek Abdine has reported some vulnerabilities in Caucho Resin, which
can be exploited by malicious people to disclose sensitive
information.

1) Input passed via the URL is not properly sanitised before being
used. This can potentially be exploited to read a continuous stream
of data from any COM or LPT device on the system by providing a DOS
device file name with an arbitrary extension in the URL.

Example:
http://[host]:8080/[path]/[device].[extension]

2) Input passed via the URL is not properly sanitised before being
used. This can be exploited to disclose the content of files from a
web application's WEB-INF directory via directory traversal attacks.

Example:
http://[host]:8080/%20..\web-inf

3) Input passed via the URL is not properly sanitised before being
used. This can also be exploited to disclose the full system path to
the Caucho Resin server via a URL containing special characters.

Examples:
http://[host]:8080/%20
http://[host]:8080/[path]/%20.xtp

The vulnerabilities are reported in Caucho Resin 3.1.0 for Windows
and Caucho Resin Professional 3.1.0 for Windows. Other versions may
also be affected.

SOLUTION:
The vulnerabilities are reportedly fixed in version 3.1.1.
http://www.caucho.com/download/

PROVIDED AND/OR DISCOVERED BY:
Derek Abdine, Rapid7

ORIGINAL ADVISORY:
1) http://www.rapid7.com/advisories/R7-0028.jsp
2) http://www.rapid7.com/advisories/R7-0029.jsp
3) http://www.rapid7.com/advisories/R7-0030.jsp

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