CVE-2011-0754: The SplFileInfo::getType function in the Standard PHP Library (SPL) extension in PHP before 5.3.4 on Windows allows local users to conduct symlink attacks by not properly detecting symbolic links.

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The vulnerability in the SplFileInfo::getType function in the Standard PHP Library (SPL) extension in PHP before version 5.3.4 on Windows arises from the incorrect detection of symbolic links. This flaw could be exploited by local users to carry out symlink attacks, leveraging differences in the stat structure across platforms, particularly due to the absence of a FILE_ATTRIBUTE_REPARSE_POINT check.

Overview

This vulnerability affects the SplFileInfo::getType function in PHP versions prior to 5.3.4 on Windows, allowing local users to potentially exploit symbolic links for conducting symlink attacks. The issue stems from the failure to accurately identify symbolic links, which could be manipulated by attackers to escalate privileges or gain unauthorized access to sensitive data.

Remediation

To address this vulnerability, users are advised to update their PHP installations to version 5.3.4 or later. By upgrading to a patched version, the SplFileInfo::getType function will be enhanced to properly detect symbolic links, thereby mitigating the risk of symlink attacks. Additionally, users should follow best practices for secure coding and configuration to reduce the likelihood of exploitation.

References

  1. CVE Details: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0754
  2. PHP Bug Report: http://bugs.php.net/51763
  3. IBM X-Force Vulnerability Report: https://exchange.xforce.ibmcloud.com/vulnerabilities/65429
  4. PHP ChangeLog: http://www.php.net/ChangeLog-5.php
  5. OVAL Definition: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12334

Industry ExposureMost to least
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.

  1. Manufacturing
    Manufacturing
  2. Educational Services
    Educational Services
  3. Health Care & Social Assistance
    Health Care & Social Assistance
  4. Professional, Scientific, & Technical Services
    Professional, Scientific, & Technical Services
  5. Public Administration
    Public Administration
  6. Utilities
    Utilities
  7. Arts, Entertainment & Recreation
    Arts, Entertainment & Recreation
  8. Finance and Insurance
    Finance and Insurance
  9. Information
    Information
  10. Management of Companies & Enterprises
    Management of Companies & Enterprises
  11. Other Services (except Public Administration)
    Other Services (except Public Administration)
  12. Retail Trade
    Retail Trade
  13. Transportation & Warehousing
    Transportation & Warehousing
  14. Accommodation & Food Services
    Accommodation & Food Services
  15. Administrative, Support, Waste Management & Remediation Services
    Administrative, Support, Waste Management & Remediation Services
  16. Agriculture, Forestry Fishing & Hunting
    Agriculture, Forestry Fishing & Hunting
  17. Construction
    Construction
  18. Mining
    Mining
  19. Real Estate Rental & Leasing
    Real Estate Rental & Leasing
  20. Wholesale Trade
    Wholesale Trade

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