Sun Solaris mountd daemon denial of service

solaris-mountd-dos (37195) The risk level is classified as LowLow Risk

Description:

Sun Solaris is vulnerable to a denial of service, caused by an error in the RPC Services Library (librpcsvc). If the mountd service is used on an NFS server with an overly large number of exported file systems or with long access lists, a remote attacker could exploit this vulnerability to crash the mountd daemon.

Platforms Affected:

  • Avaya, Call Management System 12
  • Avaya, Call Management System 13
  • Avaya, Call Management System 13.1
  • Avaya, Call Management System 14
  • Avaya, Interactive Response 1.3
  • Avaya, Interactive Response 2.0
  • Avaya, Interactive Response 3.0
  • Sun, Solaris 10 SPARC
  • Sun, Solaris 10 x86
  • Sun, Solaris 8 x86
  • Sun, Solaris 8 SPARC
  • Sun, Solaris 9 x86
  • Sun, Solaris 9 SPARC

Remedy:

Refer to Sun Alert ID: 103082 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

Consequences:

Denial of Service

References:

  • Sun Alert ID: 103082, Security Vulnerability in the Solaris RPC Services Library (librpcsvc(3LIB)) may Lead to a Denial of Service (DoS) Against Networked File Systems at http://sunsolve.sun.com/search/document.do?assetkey=1-26-103082-1.
  • ASA-2007-437: Security Vulnerability in the Solaris RPC Services Library (librpcsvc(3LIB)) may Lead to a Denial of Service (DoS) Against Networked File Systems (Sun 103082)
  • BID-26071: Sun Solaris RPC Services Library librpcsvc(3LIB) Denial of Service Vulnerability
  • CVE-2007-5462: Unspecified vulnerability in the Sun Solaris RPC services library (librpcsvc) on Solaris 8 through 10 allows remote attackers to cause a denial of service (mountd crash) via unspecified packets to a server that exports many filesystems, and allows local users to cause a denial of service (automountd crash) via unspecified requests to mount filesystems from a server that exports many filesystems.
  • SA27183: Sun Solaris RPC Services Library Denial of Service
  • SA27386: Avaya CMS / IR Sun Solaris RPC Services Library Denial of Service
  • SECTRACK ID: 1018818: Solaris librpcsvc RPC Bug Lets Remote and Local Users Deny Service
  • VUPEN/ADV-2007-3490: Sun Solaris RPC Services Library Data Handling Denial of Service Issue

Reported:

Oct 13, 2007

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