CVE-2014-125119: Input Validation Flaw

Description

A filename spoofing vulnerability exists in WinRAR when opening specially crafted ZIP archives. The issue arises due to inconsistencies between the Central Directory and Local File Header entries in ZIP files. When viewed in WinRAR, the file name from the Central Directory is displayed to the user, while the file from the Local File Header is extracted and executed. An attacker can leverage this flaw to spoof filenames and trick users into executing malicious payloads under the guise of harmless files, potentially leading to remote code execution.

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Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-434 Unrestricted Upload

References

Other References

https://an7isec.blogspot.com/2014/03/winrar-file-extension-spoofing-0day.html https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/fileformat/winrar_name_spoofing.rb https://web.archive.org/web/20140625054244/http://intelcrawler.com/news-15 https://web.archive.org/web/20141111142204/https://www.intelcrawler.com/report_2603.pdf https://www.rarlab.com/vuln_zip_spoofing_4.20.html https://www.vulncheck.com/advisories/winrar-filename-spoofing-rce

Frequently Asked Questions

What is CVE-2014-125119? +

A filename spoofing vulnerability exists in WinRAR when opening specially crafted ZIP archives. The issue arises due to inconsistencies between the Central Directory and Local File Header entries in ZIP files. When viewed in WinRAR, the file name from the Central Directory is displayed to the user, while the file from the Local File Header is extracted and executed. An attacker can leverage this flaw to spoof filenames and trick users into executing malicious payloads under the guise of harmless files, potentially leading to remote code execution.

How do I check if I'm vulnerable to CVE-2014-125119? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2014-125119