Mozilla Firefox up to 40 ECMAScript 5 API 7pk security

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Mozilla Firefox up to 40. Affected by this vulnerability is an unknown functionality of the component ECMAScript 5 API. Executing a manipulation can lead to 7pk security. The identification of this vulnerability is CVE-2015-4516. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Mozilla Firefox up to 40 (Web Browser) and classified as critical. This vulnerability affects an unknown code block of the component ECMAScript 5 API. The manipulation with an unknown input leads to a 7pk security vulnerability. The CWE definition for the vulnerability is CWE-254. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Mozilla Firefox before 41.0 allows remote attackers to bypass certain ECMAScript 5 (aka ES5) API protection mechanisms and modify immutable properties, and consequently execute arbitrary JavaScript code with chrome privileges, via a crafted web page that does not use ES5 APIs.

The weakness was shared 09/24/2015 by Francisco Alonso (Felix) with NowSecure (Website). The advisory is available at bugzilla.mozilla.org. This vulnerability was named CVE-2015-4516 since 06/10/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1211 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 86079 (FreeBSD : mozilla -- multiple vulnerabilities (2d56c7f4-b354-428f-8f48-38150c607a05)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168108 (OpenSuSE Security Update for MozillaFirefox (openSUSE-SU-2015:1658-1)).

Upgrading to version 41.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (106644), Tenable (86079), SecurityFocus (BID 76815†) and Vulnerability Center (SBV-52930†). The entries VDB-78020, VDB-78022, VDB-78023 and VDB-78024 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: 7pk security
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 86079
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (2d56c7f4-b354-428f-8f48-38150c607a05)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 803059
OpenVAS Name: Mozilla Firefox Multiple Vulnerabilities - Sep15 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firefox 41.0

Timelineinfo

06/10/2015 🔍
09/22/2015 +104 days 🔍
09/22/2015 +0 days 🔍
09/24/2015 +2 days 🔍
09/24/2015 +0 days 🔍
09/24/2015 +0 days 🔍
09/25/2015 +1 days 🔍
06/19/2022 +2459 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: USN-2743-1
Researcher: Francisco Alonso (Felix)
Organization: NowSecure
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-4516 (🔍)
GCVE (CVE): GCVE-0-2015-4516
GCVE (VulDB): GCVE-100-78034
X-Force: 106644 - Mozilla Firefox ECMAScript 5 privilege escalation
SecurityFocus: 76815 - Mozilla Firefox Multiple Security Vulnerabilities
SecurityTracker: 1033640
Vulnerability Center: 52930 - Mozilla Firefox before 41 Remote Code Execution due to Bypass of JavaScript Immutable Property Enforcement, Medium

See also: 🔍

Entryinfo

Created: 09/25/2015 17:58
Updated: 06/19/2022 02:32
Changes: 09/25/2015 17:58 (60), 01/03/2018 09:52 (17), 06/19/2022 02:25 (4), 06/19/2022 02:32 (1)
Complete: 🔍
Cache ID: 216:762:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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