Pragma TelnetServer NULL-Pointer Dereference Denial of Service Vulnerability

Bugtraq ID:	27143
Class:	Failure to Handle Exceptional Conditions
CVE:	CVE-2008-0153
Remote:	Yes
Local:	No
Published:	Jan 04 2008 12:00AM
Updated:	Apr 16 2015 06:07PM
Credit:	Luigi Auriemma discovered this issue.
Vulnerable:	Pragma Systems Pragma TelnetServer 7.0.4.589
Not Vulnerable:

Pragma TelnetServer NULL-Pointer Dereference Denial of Service Vulnerability

Pragma TelnetServer is prone to a denial-of-service vulnerability because it fails to adequately handle certain telnet options.

Attackers can leverage this issue to terminate the server and cause denial-of-service conditions.

This issue affects Pragma TelnetServer 7.0 Build 4 Revision 589; other versions may also be vulnerable.

Pragma TelnetServer NULL-Pointer Dereference Denial of Service Vulnerability

Attackers can exploit this issue using readily available networking utilities.

The following exploit is available:

• /data/vulnerabilities/exploits/pragmatel.zip

Pragma TelnetServer NULL-Pointer Dereference Denial of Service Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Pragma TelnetServer NULL-Pointer Dereference Denial of Service Vulnerability

References:

• Pragma Systems Home Page (Pragma Systems)
  
• Pragma TelnetServer Denial-of-Service (Luigi Auriemma)
  
• Some DoS in some telnet servers (Luigi Auriemma )