Check Point Advisories

Sun Solaris rpc.ypupdated Command Injection (CVE-1999-0208)

Vulnerability
Protection

Check Point Reference:	CPAI-2008-167
Date Published:	18 Nov 2008
Severity:	Critical
Last Updated:	Tuesday 18 November, 2008
Source:
Industry Reference:	CVE-1999-0208
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description	Sun Solaris provides its Network Information Service (NIS) services through the SUN-RPC remote procedure call mechanism. One of these services is called rpc.ypupdated which is responsible for duplicating information from master NIS server to slave servers. A command injection vulnerability exists in Sun Solaris rpc.ypupdated service. The vulnerability is due to an error in the Sun Solaris rpc.ypupdated service that fails to properly validate user input when processing RPC requests. A remote attacker may exploit this vulnerability via a specially crafted RPC request sent to the vulnerable host. Successful exploitation may allow execution of arbitrary code on the target system.

Protection Overview

This protection will detect and block malformed RPC requests sent to the vulnerable service.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75 / R71 / R70 / R65

In the IPS tab, click Protections and find the Sun Solaris rpc.ypupdated Command Injection protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: SUN-RPC Enforcement Protection.
Attack Information: Sun Solaris rpc.ypupdated command injection