AIX inventory scout file deletion and symlink vulnerability

aix-scout-symlink (71615) The risk level is classified as MediumMedium Risk

Description:

IBM AIX could allow a local attacker to launch a symlink attack, caused by an unspecified error within inventory scout. A local attacker could exploit this vulnerability by creating a symbolic link, which could allow the attacker to delete vital system files and cause the software to operate on unauthorized files.

*CVSS:

Base Score: 6.3
  Access Vector: Local
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 5.5
  Exploitability: High
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

File Manipulation

Remedy:

Refer to IBM APAR IV11643 for patch, upgrade or suggested workaround information. See References.

References:

  • IBM APAR IV11643: POTENTIAL SECURITY ISSUE.
  • IBM SECURITY ADVISORY: AIX inventory scout file deletion and symlink vulnerability.
  • BID-51059: IBM AIX Inventory Scout Code Symbolic Link and Arbitrary File Deletion Vulnerability
  • BID-51083: IBM AIX Unspecified Security Vulnerability
  • CVE-2011-1384: The (1) bin/invscoutClient_VPD_Survey and (2) sbin/invscout_lsvpd programs in invscout.rte before 2.2.0.19 on IBM AIX 7.1, 6.1, 5.3, and earlier allow local users to delete arbitrary files, or trigger inventory scout operations on arbitrary files, via a symlink attack on an unspecified file.
  • OSVDB ID: 77688: IBM AIX Inventory Scout Symlink Arbitrary File Manipulation
  • OSVDB ID: 77689: IBM AIX Inventory Scout Unspecified Arbitrary File Deletion
  • SA47222: IBM AIX Inventory Scout Data Manipulation and File Deletion Vulnerabilities

Platforms Affected:

  • IBM AIX 5.3
  • IBM AIX 6.1
  • IBM AIX 7.1

Reported:

Dec 05, 2011

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* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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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