Vulnerability Details : CVE-2020-12392
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.
Vulnerability category: Directory traversal
Products affected by CVE-2020-12392
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-12392
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-12392
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2020-12392
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-12392
-
https://www.mozilla.org/security/advisories/mfsa2020-16/
Security Vulnerabilities fixed in Firefox 76 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2020-17/
Security Vulnerabilities fixed in Firefox ESR 68.8 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2020-18/
Security Vulnerabilities fixed in Thunderbird 68.8.0 — MozillaVendor Advisory
-
https://usn.ubuntu.com/4373-1/
USN-4373-1: Thunderbird vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://security.gentoo.org/glsa/202005-04
Mozilla Firefox: Multiple vulnerabilities (GLSA 202005-04) — Gentoo securityThird Party Advisory
-
https://security.gentoo.org/glsa/202005-03
Mozilla Thunderbird: Multiple vulnerabilities (GLSA 202005-03) — Gentoo securityThird Party Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1614468
Access DeniedIssue Tracking;Permissions Required
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