CVE-2020-12393
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.*.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.01%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.01% probability · 61th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- mozilla/firefox · mozilla/firefox esr · mozilla/thunderbird
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1615471Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2020-16/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-17/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-18/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1615471Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2020-16/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-17/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-18/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.