TITLE:
WRQ Reflection Secure IT SFTP Format String Vulnerability

SECUNIA ADVISORY ID:
SA18843

VERIFY ADVISORY:
http://secunia.com/advisories/18843/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
WRQ Reflection for Secure IT UNIX Server 6.x
http://secunia.com/product/8068/
F-Secure SSH for Windows 5.x
http://secunia.com/product/188/
F-Secure SSH for UNIX 5.x
http://secunia.com/product/8069/
F-Secure SSH for UNIX 4.x
http://secunia.com/product/8076/
F-Secure SSH for UNIX 3.x
http://secunia.com/product/2290/
WRQ Reflection for Secure IT Windows Server 6.x
http://secunia.com/product/5642/

DESCRIPTION:
A vulnerability has been reported in Reflection Secure IT, which can
be exploited by malicious users to compromise a vulnerable system.

The vulnerability is caused due to a format string error in the SFTP
component during logging of accessed file names. This can potentially
be exploited to execute arbitrary code via a file with specially
crafted file name.

Successful exploitation requires that a user is authenticated to the
SFTP service.

SOLUTION:
Update to a fixed version.

-- Windows Server --

Reflection for Secure IT Windows Server:
Update to version 6.0 build 38.

F-Secure SSH Server for Windows:
Update to version 5.3 build 35.

-- UNIX Server --

Reflection for Secure IT UNIX Server:
Update to version 6.0.0.9.

F-Secure SSH Server for UNIX:
Update to version 5.0.8.

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

ORIGINAL ADVISORY:
WRQ:
http://support.wrq.com/techdocs/1882.html

OTHER REFERENCES:
US-CERT VU#419241:
http://www.kb.cert.org/vuls/id/419241

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