CVEvulnerability
CVE-2020-12392
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-05-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-22
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.
Affected configurations
• mozilla firefox (< 76.0)
• mozilla firefox esr (< 68.8.0)
• mozilla thunderbird (< 68.8.0)
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 19.10
• canonical ubuntu linux 20.04
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1614468 Issue Tracking, Permissions Required
- https://security.gentoo.org/glsa/202005-03 Third Party Advisory
- https://security.gentoo.org/glsa/202005-04 Third Party Advisory
- https://usn.ubuntu.com/4373-1/ Third Party Advisory
- 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=1614468 Issue Tracking, Permissions Required
- https://security.gentoo.org/glsa/202005-03 Third Party Advisory
- https://security.gentoo.org/glsa/202005-04 Third Party Advisory
- https://usn.ubuntu.com/4373-1/ Third Party Advisory
- 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