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CVE-2017-7821

A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types.

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 56
None on Exploit-DB, Metasploit or GitHub

Summary

A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types. This can be triggered without specific user interaction for the file download and open actions. This could be used to trigger known vulnerabilities in the programs that handle those document types. This vulnerability affects Firefox < 56.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Mozilla Firefox

    fixed in 56

References 4

securitytracker.com

mozilla.org

bugzilla.mozilla.org

securityfocus.com