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CVE-2020-12392

Date: May 26, 2020

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.

Severity Score

Related Resources (13)

https://security.gentoo.org/glsa/202005-04
https://security-tracker.debian.org/tracker/CVE-2020-12392
https://bugzilla.mozilla.org/show_bug.cgi?id=1614468
https://nvd.nist.gov/vuln/detail/CVE-2020-12392
https://usn.ubuntu.com/4373-1/
https://www.mozilla.org/security/advisories/mfsa2020-18/
https://security.gentoo.org/glsa/202005-03
https://www.mozilla.org/security/advisories/mfsa2020-17/
https://security.alpinelinux.org/vuln/CVE-2020-12392
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-12392
https://www.mozilla.org/security/advisories/mfsa2020-16/
https://access.redhat.com/security/cve/CVE-2020-12392
https://www.mend.io/vulnerability-database/CVE-2020-12392

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-22

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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