CVE-2018-20250:Path traversal vulnerability in WinRAR versions prior to and including 5.61 allows for absolute path manipulation in the ACE format.

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Description Preview

In WinRAR versions prior to and including 5.61, a path traversal vulnerability exists when crafting the filename field of the ACE format (in UNACEV2.dll). By manipulating the filename field with specific patterns, the destination (extraction) folder is ignored, treating the filename as an absolute path. This vulnerability could be exploited by an attacker to overwrite arbitrary files on the system.

Overview

This CVE (CVE-2018-20250) affects WinRAR, specifically versions prior to and including 5.61, developed by Check Point Software Technologies Ltd. The vulnerability allows for path traversal manipulation in the ACE format, leading to potential arbitrary file overwrites.

Remediation

To remediate this vulnerability, users are advised to update WinRAR to a version beyond 5.61. Check Point Software Technologies Ltd. has likely released patches or updates to address this issue. It is crucial to apply the latest security updates to mitigate the risk of exploitation.

References

  1. GitHub - CVE-2018-20250-WinRAR-ACE
  2. Checkpoint Research - Extracting Code Execution from WinRAR
  3. Exploit-DB - CVE-2018-20250
  4. SecurityFocus - BID 106948
  5. WinRAR What's New
  6. Packet Storm Security - WinRAR ACE Format Input Validation Remote Code Execution
  7. Rapid7 - WinRAR ACE Exploit Module
  8. Exploit-DB - CVE-2018-20250

Early Warning

Armis Early Warning customers received an advanced alert on this vulnerability.

Armis Alert Date
Nov 5, 2021
CISA KEV Date
Feb 15, 2022
102days early
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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. Health Care & Social Assistance
    Health Care & Social Assistance
  3. Transportation & Warehousing
    Transportation & Warehousing
  4. Educational Services
    Educational Services
  5. Public Administration
    Public Administration
  6. Finance and Insurance
    Finance and Insurance
  7. Arts, Entertainment & Recreation
    Arts, Entertainment & Recreation
  8. Professional, Scientific, & Technical Services
    Professional, Scientific, & Technical Services
  9. Retail Trade
    Retail Trade
  10. Utilities
    Utilities
  11. Management of Companies & Enterprises
    Management of Companies & Enterprises
  12. Other Services (except Public Administration)
    Other Services (except Public Administration)
  13. Accommodation & Food Services
    Accommodation & Food Services
  14. Agriculture, Forestry Fishing & Hunting
    Agriculture, Forestry Fishing & Hunting
  15. Information
    Information
  16. Real Estate Rental & Leasing
    Real Estate Rental & Leasing
  17. Wholesale Trade
    Wholesale Trade
  18. Administrative, Support, Waste Management & Remediation Services
    Administrative, Support, Waste Management & Remediation Services
  19. Construction
    Construction
  20. Mining
    Mining

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  1. See Everything.
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  3. Proactively Mitigate Threats.

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