TITLE: SSH Tectia Server SFTP Service Unspecified Vulnerability
SECUNIA ADVISORY ID: SA18828
VERIFY ADVISORY: http://secunia.com/advisories/18828/
CRITICAL: Moderately critical
IMPACT: System access
WHERE: >From remote
SOFTWARE: SSH Secure Shell for Servers 3.x http://secunia.com/product/808/ SSH Secure Shell for Windows Servers 3.x http://secunia.com/product/5316/ SSH Tectia Server 4.x http://secunia.com/product/3233/
DESCRIPTION: A vulnerability has been reported in SSH Tectia Server, which potentially can be exploited by malicious users to compromise a vulnerable system.
The vulnerability is caused due to an unspecified error in the SFTP component during logging of accessed file names. This can e.g. be exploited by restricted users to execute arbitrary commands or by one user to execute arbitrary commands as another user if that user is tricked into accessing a malicious file.
Successful exploitation requires that a user is authenticated to the SFTP service.
The vulnerability affects the following products: * SSH Tectia Server 4.4.0 (A and T) * SSH Tectia Server 4.3.6 (A and T) and prior. * SSH Secure Shell Server 3.2.9 and prior.
SOLUTION: Update to SSH Tectia Server 4.3.7 or 4.4.2. http://www.ssh.com/support/downloads/tectia-server
Disable the SFTP service.
PROVIDED AND/OR DISCOVERED BY: Reported by vendor.
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