5
CVSSv2

CVE-2020-6813

Published: 25/03/2020 Updated: 30/03/2020
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Vulnerability Summary

When protecting CSS blocks with the nonce feature of Content Security Policy, the @import statement in the CSS block could allow an malicious user to inject arbitrary styles, bypassing the intent of the Content Security Policy. This vulnerability affects Firefox < 74.

Vulnerability Trend

Affected Products

Vendor Product Versions
MozillaFirefox-, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.6.1, 0.7, 0.7.1, 0.8, 0.9, 0.9.1, 0.9.2, 0.9.3, 0.10, 0.10.1, 1.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.6, 1.0.7, 1.0.8, 1.4.1, 1.5, 1.5.0.1, 1.5.0.2, 1.5.0.3, 1.5.0.4, 1.5.0.5, 1.5.0.6, 1.5.0.7, 1.5.0.8, 1.5.0.9, 1.5.0.10, 1.5.0.11, 1.5.0.12, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5, 1.5.6, 1.5.7, 1.5.8, 1.8, 2.0, 2.0.0.1, 2.0.0.2, 2.0.0.3, 2.0.0.4, 2.0.0.5, 2.0.0.6, 2.0.0.7, 2.0.0.8, 2.0.0.9, 2.0.0.10, 2.0.0.11, 2.0.0.12, 2.0.0.13, 2.0.0.14, 2.0.0.15, 2.0.0.16, 2.0.0.17, 2.0.0.18, 2.0.0.19, 2.0.0.20, 3.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.0.7, 3.0.8, 3.0.9, 3.0.10, 3.0.11, 3.0.12, 3.0.13, 3.0.14, 3.0.15, 3.0.16, 3.0.17, 3.0.18, 3.0.19, 3.5, 3.5.1, 3.5.2, 3.5.3, 3.5.4, 3.5.5, 3.5.6, 3.5.7, 3.5.8, 3.5.9, 3.5.10, 3.5.11, 3.5.12, 3.5.13, 3.5.14, 3.5.15, 3.5.16, 3.5.17, 3.5.18, 3.5.19, 3.6, 3.6.2, 3.6.3, 3.6.4, 3.6.6, 3.6.7, 3.6.8, 3.6.9, 3.6.10, 3.6.11, 3.6.12, 3.6.13, 3.6.14, 3.6.15, 3.6.16, 3.6.17, 3.6.18, 3.6.19, 3.6.20, 3.6.21, 3.6.22, 3.6.23, 3.6.24, 3.6.25, 3.6.26, 3.6.27, 3.6.28, 4.0, 4.0.1, 5.0, 5.0.1, 6.0, 6.0.1, 6.0.2, 7.0, 7.0.1, 8.0, 8.0.1, 9.0, 9.0.1, 10.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7, 10.0.8, 10.0.9, 10.0.10, 10.0.11, 10.0.12, 11.0, 12.0, 13.0, 13.0.1, 14.0, 14.0.1, 15.0, 15.0.1, 16.0, 16.0.1, 16.0.2, 17.0, 17.0.1, 17.0.2, 17.0.3, 17.0.4, 17.0.5, 17.0.6, 17.0.7, 17.0.8, 17.0.9, 17.0.10, 17.0.11, 18.0, 18.0.1, 18.0.2, 19.0, 19.0.1, 19.0.2, 20.0, 20.0.1, 21.0, 22.0, 23.0, 23.0.1, 24.0, 24.1, 24.1.0, 24.1.1, 24.2.0, 24.3.0, 24.4.0, 24.5.0, 24.6.0, 24.7.0, 24.8.0, 24.8.1, 25.0, 25.0.1, 26.0, 27.0, 27.0.1, 28.0, 29.0, 29.0.1, 30.0, 31.0, 31.1.0, 31.1.1, 31.2.0, 31.3.0, 31.4.0, 31.5.0, 31.5.2, 31.5.3, 31.6.0, 31.7.0, 31.8.0, 32.0, 32.0.1, 32.0.2, 32.0.3, 33.0, 33.0.1, 33.0.2, 33.0.3, 33.1, 33.1.1, 34.0, 34.0.5, 35.0, 35.0.1, 36.0, 36.0.1, 36.0.3, 36.0.4, 37.0, 37.0.1, 37.0.2, 38.0, 38.0.1, 38.0.5, 38.1.0, 38.1.1, 38.2.0, 38.2.1, 38.3.0, 38.4.0, 38.5.0, 38.5.1, 38.5.2, 38.6.0, 38.6.1, 38.7.0, 38.7.1, 38.8.0, 39.0, 39.0.3, 40.0, 40.0.2, 40.0.3, 41.0, 41.0.1, 41.0.2, 42.0, 43.0, 43.0.1, 43.0.2, 43.0.3, 43.0.4, 44.0, 44.0.1, 44.0.2, 45.0, 45.0.1, 45.0.2, 45.1.1, 45.2.0, 45.3.0, 45.4.0, 45.5.0, 45.5.1, 45.6.0, 45.7.0, 45.8.0, 45.9.0, 46.0, 46.0.1, 47.0, 47.0.1, 47.0.2, 48.0, 48.0.1, 48.0.2, 49.0, 49.0.1, 49.0.2, 50, 50.0, 50.0.1, 50.0.2, 50.1.0, 51.0, 51.0.1, 51.0.3, 52.0, 52.0.1, 52.0.2, 52.1.0, 52.1.1, 52.1.2, 52.2.0, 52.2.1, 52.3.0, 52.4.0, 52.4.1, 52.5.0, 52.5.2, 52.5.3, 52.6.0, 52.7.0, 52.7.1, 52.7.2, 52.7.3, 52.7.4, 52.8.0, 52.8.1, 52.9.0, 53.0, 53.0.2, 53.0.3, 54.0, 54.0.1, 55.0, 55.0.1, 55.0.2, 55.0.3, 56.0, 56.0.1, 56.0.2, 57.0, 57.0.1, 57.0.2, 57.0.3, 57.0.4, 58, 58.0, 58.0.1, 58.0.2, 59, 59.0, 59.0.1, 59.0.2, 59.0.3, 60, 60.0, 60.0.1, 60.0.2, 60.1.0, 60.2.0, 60.2.1, 60.2.2, 60.3.0, 60.4.0, 60.5.0, 60.6.1, 60.7.3, 61.0, 61.0.1, 61.0.2, 62.0, 62.0.2, 62.0.3, 63.0, 63.0.1, 63.0.3, 64.0, 64.0.2, 65.0, 65.0.1, 65.0.2, 66.0, 66.0.1, 66.0.2, 66.0.3, 66.0.4, 66.0.5, 67.0, 67.0.2, 67.0.3, 67.0.4, 68.0, 68.0.1, 68.0.2, 68.1.0, 68.2.0, 68.3.0, 68.4.0, 68.4.1, 68.6.0, 69.0, 69.0.1, 69.0.2, 69.0.3, 70.0, 70.0.1, 71.0, 72.0, 72.0.1, 73.0, 73.0.1

Vendor Advisories

A Content Security Policy bypass has been found in Firefox before 74 When protecting CSS blocks with the nonce feature of Content Security Policy, the @import statement in the CSS block could allow an attacker to inject arbitrary styles, bypassing the intent of the Content Security Policy ...
Firefox could be made to crash or run programs as your login if it opened a malicious website ...
Arch Linux Security Advisory ASA-202003-8 ========================================= Severity: Critical Date : 2020-03-11 CVE-ID : CVE-2019-20503 CVE-2020-6805 CVE-2020-6806 CVE-2020-6807 CVE-2020-6808 CVE-2020-6809 CVE-2020-6810 CVE-2020-6811 CVE-2020-6812 CVE-2020-6813 CVE-2020-6814 CVE-2020-6815 Package : firefox Type ...