Sun Solaris ypserv(1M) denial of service

solaris-ypserv-dos (27722)

Medium Risk

Description:

Sun Solaris is vulnerable to a denial of service in the NIS server ypserv(1M). A local or remote attacker could exploit this vulnerability to cause the NIS server process to stop responding to NIS name service requests, resulting in a denial of service against NIS clients.

*CVSS:

Base Score:	2.5
Access Vector:	Local
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	1.8
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Denial of Service

Remedy:

Refer to Sun Alert ID: 102462 for patch, upgrade, or suggested workaround information. See References.

References:

• Sun Alert ID: 102462: Security Vulnerability With NIS server ypserv(1M) May Allow a Denial of Service (DoS) to Occur.
• BID-18972: Sun Solaris NIS Server YPServ Unspecified Denial of Service Vulnerability
• CVE-2006-3664: Unspecified vulnerability in NIS server on Sun Solaris 8, 9, and 10 allows local and remote attackers to cause a denial of service (ypserv hang) via unknown vectors.
• SA21047: Sun Solaris ypserv Denial of Service Vulnerability
• SECTRACK ID: 1016494: Sun Solaris ypserv Lets Remote Users Deny Service
• VUPEN/ADV-2006-2799: Sun Solaris NIS Server ypserv Requests Handling Remote Denial of Service Vulnerability

Platforms Affected:

• Sun Solaris 10 x86
• Sun Solaris 10 SPARC
• Sun Solaris 8 SPARC
• Sun Solaris 8 x86
• Sun Solaris 9 SPARC
• Sun Solaris 9 x86

Reported:

Jul 13, 2006

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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