VulnerabilityModified

CVE-2020-12392

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.

MEDIUM 5.5EPSS 0.35%

Does this matter?

Lower severity and a low EPSS score (0.35%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.35% probability · 28th percentile
CISA KEV: Not listed
Weakness: CWE-22
Affected: mozilla/firefox · mozilla/firefox esr · mozilla/thunderbird · canonical/ubuntu linux
Source: security@mozilla.org

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1614468Issue Tracking, Permissions Required
https://security.gentoo.org/glsa/202005-03Third Party Advisory
https://security.gentoo.org/glsa/202005-04Third 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=1614468Issue Tracking, Permissions Required
https://security.gentoo.org/glsa/202005-03Third Party Advisory
https://security.gentoo.org/glsa/202005-04Third 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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.