CVE-2020-6797

Mozilla: Extensions granted downloads.open permission could open arbitrary applications on Mac OSX

Published Mar 2, 2020 CVSS 3.1 · 4.3 Medium EPSS 1.5% KEV · Not listed
Description
By downloading a file with the .fileloc extension, a semi-privileged extension could launch an arbitrary application on the user's computer. The attacker is restricted as they are unable to download non-quarantined files or supply command line arguments to the application, limiting the impact. Note: this issue only occurs on Mac OSX. Other operating systems are unaffected. This vulnerability affects Thunderbird < 68.5, Firefox < 73, and Firefox < ESR68.5.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-27944 By downloading a file with the .fileloc extension, a semi-privileged extension could launch an arbitrary application on the user's computer. The attacker is restricted as they are unable to download non-quarantined files or supply command line arguments to the application, limiting the impact. Note: this issue only occurs on Mac OSX. Other operating systems are unaffected. This vulnerability affects Thunderbird < 68.5, Firefox < 73, and Firefox < ESR68.5.
History

No history.

Weaknesses
  • CWE-20

    Improper Input Validation

  • CWE-250

    Execution with Unnecessary Privileges

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Aug 4, 2024, 9:11 AM
Reserved
Jan 10, 2020, 12:00 AM
Status
Modified
Published
Mar 2, 2020, 5:15 AM
Modified
Jun 17, 2026, 3:23 AM
Severity
Moderate
Public date
Feb 11, 2020, 12:00 AM