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Vulnerability Details : CVE-2019-17016

When pasting a &lt;style&gt; 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.
Publish Date : 2020-01-08 Last Update Date : 2020-01-13
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Cross Site Scripting

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2020:0085: firefox security update (Critical) oval:com.redhat.rhsa:def:20200085 unix
RHSA-2020:0086: firefox security update (Critical) oval:com.redhat.rhsa:def:20200086 unix
RHSA-2020:0111: firefox security update (Critical) oval:com.redhat.rhsa:def:20200111 unix
RHSA-2020:0120: thunderbird security update (Important) oval:com.redhat.rhsa:def:20200120 unix
RHSA-2020:0123: thunderbird security update (Important) oval:com.redhat.rhsa:def:20200123 unix
RHSA-2020:0127: thunderbird security update (Important) oval:com.redhat.rhsa:def:20200127 unix
RHSA-2020:0292: thunderbird security update (Important) oval:com.redhat.rhsa:def:20200292 unix
RHSA-2020:0295: firefox security update (Critical) oval:com.redhat.rhsa:def:20200295 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2019-17016

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 18.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 19.04 * * * Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 19.10 * * * Version Details Vulnerabilities
5 OS Debian Debian Linux 8.0 * * * Version Details Vulnerabilities
6 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
7 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities
8 Application Mozilla Firefox * * * * Version Details Vulnerabilities
9 Application Mozilla Firefox Esr * * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Desktop 6.0 * * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux Desktop 7.0 * * * Version Details Vulnerabilities
12 OS Redhat Enterprise Linux Server 6.0 * * * Version Details Vulnerabilities
13 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
14 OS Redhat Enterprise Linux Server Aus 7.7 * * * Version Details Vulnerabilities
15 OS Redhat Enterprise Linux Server Tus 7.7 * * * Version Details Vulnerabilities
16 OS Redhat Enterprise Linux Workstation 6.0 * * * Version Details Vulnerabilities
17 OS Redhat Enterprise Linux Workstation 7.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 4
Debian Debian Linux 3
Mozilla Firefox 1
Mozilla Firefox Esr 1
Redhat Enterprise Linux Desktop 2
Redhat Enterprise Linux Server 2
Redhat Enterprise Linux Server Aus 1
Redhat Enterprise Linux Server Tus 1
Redhat Enterprise Linux Workstation 2

- References For CVE-2019-17016
SUSE openSUSE-SU-2020:0094
MLIST [debian-lts-announce] 20200120 [SECURITY] [DLA 2071-1] thunderbird security update
BUGTRAQ 20200120 [SECURITY] [DSA 4603-1] thunderbird security update
REDHAT RHSA-2020:0127
REDHAT RHSA-2020:0120
REDHAT RHSA-2020:0123
SUSE openSUSE-SU-2020:0060
REDHAT RHSA-2020:0111
REDHAT RHSA-2020:0085
REDHAT RHSA-2020:0086
BUGTRAQ 20200112 [slackware-security] mozilla-thunderbird (SSA:2020-010-01)
BUGTRAQ 20200109 [SECURITY] [DSA 4600-1] firefox-esr security update
MLIST [debian-lts-announce] 20200109 [SECURITY] [DLA 2061-1] firefox-esr security update CONFIRM CONFIRM
REDHAT RHSA-2020:0295
REDHAT RHSA-2020:0292
GENTOO GLSA-202003-02

- Metasploit Modules Related To CVE-2019-17016

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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