Fedora initscripts package /etc/rc.sysinit symlink

initscripts-rcsysinit-symlink (45402) The risk level is classified as MediumMedium Risk

Description:

The Fedora initscripts package could allow a local attacker to launch a symlink attack. The /etc/rc.sysinit script creates temporary files insecurely. A local attacker could exploit this vulnerability by creating a symbolic link from a temporary file to the '/var/lock' or '/var/run' directory, which would allow the attacker to delete arbitrary files on the system with the privileges of the application.

*CVSS:

Base Score: 3.3
  Access Vector: Local
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 2.9
  Exploitability: High
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

File Manipulation

Remedy:

Refer to the initscripts Web page for patch, upgrade or suggested workaround information. See References.

References:

  • initscripts Web page: initscripts package page .
  • Red Hat Bugzilla Bug 458652: (CVE-2008-3524) CVE-2008-3524 initscripts: possible system files removal via malicious symlink in /var/{lock,run}.
  • BID-31385: initscripts Arbitrary File Deletion Vulnerability
  • CVE-2008-3524: rc.sysinit in initscripts before 8.76.3-1 on Fedora 9 and other Linux platforms allows local users to delete arbitrary files via a symlink attack on a file or directory under (1) /var/lock or (2) /var/run.
  • OSVDB ID: 48605: Fedora Linux initscripts /etc/rc.sysinit Symlink Arbitrary File Removal
  • OSVDB ID: 50298: rPath initscripts rc.sysinit Multiple Directory Symlink Arbitrary File Deletion

Platforms Affected:

  • RedHat Fedora 9
  • RedHat initscripts 8.76.3

Reported:

Aug 11, 2008

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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

For corrections or additions please email ignore thisxforceignore this@ignore thisus.ignore thisibm.comignore this

Return to the main page

* 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.

About IBM Internet Security Systems

IBM Internet Security Systems is a trusted security advisor to thousands of the world's leading businesses and governments, helping to provide pre-emptive protection for networks, desktops and servers. The IBM Proventia? integrated security platform is designed to automatically protect against both known and unknown threats, helping to keep networks up and running and shield customers from online attacks before they impact business assets. IBM Internet Security Systems products and services are based on the proactive security intelligence of its X-Force? research and development team ? an unequivocal world authority in vulnerability and threat research. The IBM Internet Security Systems product line is also complemented by comprehensive Managed Security Services and Professional Security Services. For more information, visit the IBM Internet Security Systems Web site at www.iss.net or call 800-776-2362.