Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 74.0 |
| Mozilla | Firefox Esr | < 68.6.0 |
| Mozilla | Thunderbird | < 68.6.0 |
| Canonical | Ubuntu Linux | 16.04 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1607742ExploitIssue TrackingVendor 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=1607742ExploitIssue TrackingVendor 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
FAQ
What is CVE-2020-6811?
CVE-2020-6811 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 t...
How severe is CVE-2020-6811?
CVE-2020-6811 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-6811?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird, Canonical Ubuntu Linux.