CVE-2020-12392
Medium
Description
The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP POST data 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 the disclosure of local files. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Mozilla Firefox
PublishedMay 26, 2020
First seenMay 26, 2020
How to fix
Update
- mozilla firefox76.0 or later
- mozilla firefox_esr68.8.0 or later
- mozilla thunderbird68.8.0 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 76.0 | 76.0 |
| mozilla firefox_esr | v < 68.8.0 | 68.8.0 |
| mozilla thunderbird | v < 68.8.0 | 68.8.0 |
| canonical ubuntu_linux | 16.04, 18.04, 19.10, 20.04 | — |
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