Sun Solaris sendfilev() system call denial of service

sun-solaris-sendfilev-dos (44396) The risk level is classified as MediumMedium Risk

Description:

Sun Solaris is vulnerable to a denial of service, caused by an error in the sendfilev() system call. A local attacker could exploit this vulnerability using a specially-crafted Web page running on certain versions of Apache or a specially-crafted program that calls sendfile() directly or via the sendfilev(3EXT) routine to cause a system panic.

*CVSS:

Base Score: 4.7
  Access Vector: Local
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Complete
 
Temporal Score: 3.5
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Refer to Sun Alert ID: 239186 for patch, upgrade or suggested workaround information. See References.

References:

  • Sun Alert ID: 239186: A Security Vulnerability in Solaris 10 involving the sendfilev() system call could result in Denial of Service (DoS) due to System Panic.
  • ASA-2008-349: A Security Vulnerability in Solaris 10 involving the sendfilev() system call could result in Denial of Service (DoS) due to System Panic (Sun 239186)
  • BID-30654: Sun Solaris 'sendfilev()' Local Denial of Service Vulnerability
  • CVE-2008-3666: Unspecified vulnerability in Sun Solaris 10 and OpenSolaris before snv_96 allows (1) context-dependent attackers to cause a denial of service (panic) via vectors involving creation of a crafted file and use of the sendfilev system call, as demonstrated by a file served by an Apache 2.2.x web server with EnableSendFile configured; and (2) local users to cause a denial of service (panic) via a call to the sendfile system call, as reachable through the sendfilev library.
  • SA31426: Sun Solaris "sendfilev()" Denial of Service
  • SECTRACK ID: 1020666: Solaris sendfilev() Bug Lets Local Users Deny Service
  • VUPEN/ADV-2008-2337: Sun Solaris sendfilev() System Call Denial of Service Vulnerability

Platforms Affected:

  • Sun OpenSolaris build_snv_95 x86
  • Sun OpenSolaris build_snv_95 SPARC
  • Sun Solaris 10 SPARC
  • Sun Solaris 10 x86

Reported:

Aug 11, 2008

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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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