CVE-2015-2731

Mozilla: Use-after-free in Content Policy due to microtask execution error (MFSA 2015-63)

Severity Score

10.0

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Use-after-free vulnerability in the CSPService::ShouldLoad function in the microtask implementation in Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 allows remote attackers to execute arbitrary code by leveraging client-side JavaScript that triggers removal of a DOM object on the basis of a Content Policy.

Vulnerabilidad de uso después de liberación en la función CSPService::ShouldLoad en la implementación microtask en Mozilla Firefox anterior a 39.0, Firefox ESR 38.x anterior a 38.1, y Thunderbird anterior a 38.1 permite a atacantes remotos ejecutar código arbitrario mediante el aprovechamiento de JavaScript del lado del cliente que provoca la eliminación de un objeto DOM sobre la base de una política de contenidos.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2015-03-25 CVE Reserved
2015-07-03 CVE Published
2024-03-12 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (16)

URL	Tag	Source
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html	Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html	Third Party Advisory
http://www.securityfocus.com/bid/75541	Vdb Entry
http://www.securitytracker.com/id/1032783	Vdb Entry
http://www.securitytracker.com/id/1032784	Vdb Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1149891	Issue Tracking

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00025.html	2016-12-28
http://rhn.redhat.com/errata/RHSA-2015-1207.html	2016-12-28
http://rhn.redhat.com/errata/RHSA-2015-1455.html	2016-12-28
http://www.debian.org/security/2015/dsa-3300	2016-12-28
http://www.mozilla.org/security/announce/2015/mfsa2015-63.html	2016-12-28
http://www.ubuntu.com/usn/USN-2656-1	2016-12-28
http://www.ubuntu.com/usn/USN-2656-2	2016-12-28
https://security.gentoo.org/glsa/201512-10	2016-12-28
https://access.redhat.com/security/cve/CVE-2015-2731	2015-07-20
https://bugzilla.redhat.com/show_bug.cgi?id=1236953	2015-07-20

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mozilla Search vendor "Mozilla"		Firefox Search vendor "Mozilla" for product "Firefox"				<= 38.1.0 Search vendor "Mozilla" for product "Firefox" and version " <= 38.1.0"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				<= 38.0.1 Search vendor "Mozilla" for product "Thunderbird" and version " <= 38.0.1"		-		Affected
Oracle Search vendor "Oracle"		Solaris Search vendor "Oracle" for product "Solaris"				11.3 Search vendor "Oracle" for product "Solaris" and version "11.3"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				31.0 Search vendor "Mozilla" for product "Firefox Esr" and version "31.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				31.1 Search vendor "Mozilla" for product "Firefox Esr" and version "31.1"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				31.1.0 Search vendor "Mozilla" for product "Firefox Esr" and version "31.1.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				31.1.1 Search vendor "Mozilla" for product "Firefox Esr" and version "31.1.1"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				31.2 Search vendor "Mozilla" for product "Firefox Esr" and version "31.2"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				31.3 Search vendor "Mozilla" for product "Firefox Esr" and version "31.3"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				31.3.0 Search vendor "Mozilla" for product "Firefox Esr" and version "31.3.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				31.4 Search vendor "Mozilla" for product "Firefox Esr" and version "31.4"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				31.5 Search vendor "Mozilla" for product "Firefox Esr" and version "31.5"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				31.5.1 Search vendor "Mozilla" for product "Firefox Esr" and version "31.5.1"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				31.5.2 Search vendor "Mozilla" for product "Firefox Esr" and version "31.5.2"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				31.5.3 Search vendor "Mozilla" for product "Firefox Esr" and version "31.5.3"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				31.6.0 Search vendor "Mozilla" for product "Firefox Esr" and version "31.6.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				31.7.0 Search vendor "Mozilla" for product "Firefox Esr" and version "31.7.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				38.0 Search vendor "Mozilla" for product "Firefox Esr" and version "38.0"		-		Affected