CVE-2016-9895

Mozilla: CSP bypass using marquee tag (MFSA 2016-94, MFSA 2016-95)

Severity Score

6.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Event handlers on "marquee" elements were executed despite a strict Content Security Policy (CSP) that disallowed inline JavaScript. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.

Los gestores de eventos en los elementos "marquee" se ejecutaron a pesar de que existe un CSP (Content Security Policy) estricto que prohibía el JavaScript inline. La vulnerabilidad afecta a Firefox en versiones anteriores a la 50.1, Firefox ESR en versiones anteriores a la 45.6 y Thunderbird en versiones anteriores a la 45.6.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-12-07 CVE Reserved
2016-12-14 CVE Published
2024-08-06 CVE Updated
2024-08-06 First Exploit
2024-09-14 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-254: 7PK - Security Features

CAPEC

References (12)

URL	Tag	Source
http://www.securityfocus.com/bid/94885	Third Party Advisory
http://www.securitytracker.com/id/1037461	Third Party Advisory

URL	Date	SRC
https://bugzilla.mozilla.org/show_bug.cgi?id=1312272	2024-08-06

URL	Date	SRC

URL	Date	SRC
http://rhn.redhat.com/errata/RHSA-2016-2946.html	2018-08-03
http://rhn.redhat.com/errata/RHSA-2016-2973.html	2018-08-03
https://security.gentoo.org/glsa/201701-15	2018-08-03
https://www.debian.org/security/2017/dsa-3757	2018-08-03
https://www.mozilla.org/security/advisories/mfsa2016-94	2018-08-03
https://www.mozilla.org/security/advisories/mfsa2016-95	2018-08-03
https://www.mozilla.org/security/advisories/mfsa2016-96	2018-08-03
https://access.redhat.com/security/cve/CVE-2016-9895	2016-12-21
https://bugzilla.redhat.com/show_bug.cgi?id=1404086	2016-12-21

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				5.0 Search vendor "Redhat" for product "Enterprise Linux" and version "5.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				6.0 Search vendor "Redhat" for product "Enterprise Linux" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				5.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "5.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				6.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				7.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				5.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "5.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				6.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				7.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				7.3 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.3"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				7.4 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus"				7.3 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.3"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus"				7.4 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus"				7.5 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.5"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				5.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "5.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				6.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				7.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 45.6.0 Search vendor "Mozilla" for product "Thunderbird" and version " < 45.6.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Search vendor "Mozilla" for product "Firefox"				< 50.1 Search vendor "Mozilla" for product "Firefox" and version " < 50.1"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				< 45.6.0 Search vendor "Mozilla" for product "Firefox Esr" and version " < 45.6.0"		-		Affected