CVEvulnerability
CVE-2020-6811
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-03-25
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-77
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. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
Affected configurations
• mozilla firefox (< 74.0)
• mozilla firefox esr (< 68.6.0)
• mozilla thunderbird (< 68.6.0)
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 19.10
Related
Weakness · CWE (1)
- CWE-77 Improper Neutralization of Special Elements used in a Command weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1607742 Exploit, Issue Tracking, Vendor Advisory
- https://usn.ubuntu.com/4328-1/ Third Party Advisory
- https://usn.ubuntu.com/4335-1/ Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-08/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-09/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-10/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1607742 Exploit, Issue Tracking, Vendor Advisory
- https://usn.ubuntu.com/4328-1/ Third Party Advisory
- https://usn.ubuntu.com/4335-1/ Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-08/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-09/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-10/ Vendor Advisory