[UNIX] Sun Solaris Cachefsd Denial of Service Vulnerability

From: support@securiteam.com
Date: 04/30/02 

From: support@securiteam.com
To: list@securiteam.com
Date: Tue, 30 Apr 2002 22:32:40 +0200 (CEST)

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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  Sun Solaris Cachefsd Denial of Service Vulnerability
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SUMMARY

Sun Solaris cachefsd is vulnerable to a flaw that allows remote attackers
to cause a denial of service condition. The problem is due to the way the
program handles RPC requests that contain an invalid procedure call. An
attacker can send a call that will cause cachefsd to crash.

DETAILS

Vulnerable systems:
 * Solaris 2.6, 7, 8 SPARC and x86

Technical Recommendation:
As a workaround solution, ensure RPC services are blocked at the Firewall.
Otherwise, disable cachefsd.

ADDITIONAL INFORMATION

The information has been provided by
<mailto:researchteam5@esecurityonline.com> researchteam5.

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