Sun Solaris NFS XDR denial of service

solaris-nfs-xdr-dos (34857) The risk level is classified as MediumMedium Risk

Description:

Sun Solaris is vulnerable to a denial of service, caused by a vulnerability in the NFS server. If the NFS server is enabled, a remote attacker could exploit this vulnerability by sending a specially-crafted NFS request containing malicious XDR data to cause a denial of service.

*CVSS:

Base Score: 4
  Access Vector: Remote
  Access Complexity: High
  Authentication: Not Required
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Complete
 
Temporal Score: 3
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Refer to Sun Alert ID: 102965 for patch, upgrade, or suggested workaround information. See References.

References:

  • Sun Alert ID: 102965: A Security Vulnerability in Solaris 10 NFS XDR Handling May Allow a Denial of Service to NFS Servers.
  • ASA-2007-271: A Security Vulnerability in Solaris 10 NFS XDR Handling May Allow a Denial of Service to NFS Servers (Sun 102965)
  • BID-24466: Sun Solaris NFS Server XDR Handling Denial of Service Vulnerability
  • CVE-2007-3223: Unspecified vulnerability in the NFS server in Sun Solaris 10 before 20070613 allows remote attackers to cause a denial of service (system crash) via certain XDR data in NFS requests, probably related to processing of data by the xdr_bool and xdrmblk_getint32 functions.
  • SA25668: Sun Solaris 10 NFS XDR Handling Vulnerability
  • SECTRACK ID: 1018253: Solaris NFS Bug in Processing XDR Data Lets Remote Users Deny Service
  • VUPEN/ADV-2007-2190: Sun Solaris Security Update Fixes NFS XDR Handling Denial of Service Vulnerability

Platforms Affected:

  • Sun Solaris 10 x86
  • Sun Solaris 10 SPARC

Reported:

Jun 13, 2007

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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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