6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.6 Medium
AI Score
Confidence
High
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.004 Low
EPSS
Percentile
74.7%
When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This could allow for injection into certain types of websites resulting in data exfiltration. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
Vendor | Product | Version | CPE |
---|---|---|---|
mozilla | firefox_esr | * | cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* |
mozilla | firefox | * | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html
lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.html
packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html
access.redhat.com/errata/RHSA-2020:0085
access.redhat.com/errata/RHSA-2020:0086
access.redhat.com/errata/RHSA-2020:0111
access.redhat.com/errata/RHSA-2020:0120
access.redhat.com/errata/RHSA-2020:0123
access.redhat.com/errata/RHSA-2020:0127
access.redhat.com/errata/RHSA-2020:0292
access.redhat.com/errata/RHSA-2020:0295
bugzilla.mozilla.org/show_bug.cgi?id=1599181
lists.debian.org/debian-lts-announce/2020/01/msg00005.html
lists.debian.org/debian-lts-announce/2020/01/msg00016.html
seclists.org/bugtraq/2020/Jan/12
seclists.org/bugtraq/2020/Jan/18
seclists.org/bugtraq/2020/Jan/26
security.gentoo.org/glsa/202003-02
usn.ubuntu.com/4234-1/
usn.ubuntu.com/4241-1/
usn.ubuntu.com/4335-1/
www.debian.org/security/2020/dsa-4600
www.debian.org/security/2020/dsa-4603
www.mozilla.org/security/advisories/mfsa2020-01/
www.mozilla.org/security/advisories/mfsa2020-02/
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.6 Medium
AI Score
Confidence
High
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.004 Low
EPSS
Percentile
74.7%