CVE-2020-12393 Information

Description

The ‘Copy as cURL’ feature of Devtools’ network tab did not properly escape the HTTP method of a request which can be controlled by the website. If a user used the ‘Copy as cURL’ feature and pasted the command into a terminal it could have resulted in command injection and arbitrary command execution. Note: this issue only affects Firefox on Windows operating systems.. This vulnerability affects Firefox ESR 68.8 Firefox 76 and Thunderbird 68.8.0.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1615471 https://www.mozilla.org/security/advisories/mfsa2020-16/ https://www.mozilla.org/security/advisories/mfsa2020-17/ https://www.mozilla.org/security/advisories/mfsa2020-18/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8