Mozilla Firefox 44 NPAPI Plugin null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Mozilla Firefox 44 and classified as problematic. This issue affects some unknown processing of the component NPAPI Plugin. This manipulation causes null pointer dereference. This vulnerability is tracked as CVE-2016-1966. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Mozilla Firefox 44 (Web Browser). Affected by this vulnerability is an unknown part of the component NPAPI Plugin. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 03/08/2016 as MFSA 2016-31 as confirmed security advisory (Website). The advisory is shared at mozilla.org. This vulnerability is known as CVE-2016-1966 since 01/20/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 89763 (CentOS 5 / 6 / 7 : firefox (CESA-2016:0373)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196453 (Ubuntu Security Notification for Thunderbird Vulnerabilities (USN-2934-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (111338), Tenable (89763) and Vulnerability Center (SBV-57150†). The entries VDB-81201, VDB-81203, VDB-81206 and VDB-81207 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.6

VulDB Base Score: 9.8
VulDB Temp Score: 8.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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: 89763
Nessus Name: CentOS 5 / 6 / 7 : firefox (CESA-2016:0373)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703510
OpenVAS Name: Debian Security Advisory DSA 3510-1 (iceweasel - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

01/20/2016 🔍
03/07/2016 +47 days 🔍
03/08/2016 +0 days 🔍
03/08/2016 +0 days 🔍
03/08/2016 +0 days 🔍
03/08/2016 +0 days 🔍
03/09/2016 +0 days 🔍
03/13/2016 +4 days 🔍
07/09/2022 +2309 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2016-31
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1966 (🔍)
GCVE (CVE): GCVE-0-2016-1966
GCVE (VulDB): GCVE-100-81217

OVAL: 🔍

X-Force: 111338 - Mozilla Firefox NPAPI plugin code execution
SecurityTracker: 1035215
Vulnerability Center: 57150 - Mozilla Firefox <45 and <ESR 38.7 Remote DoS via NPAPI Plugin - CVE-2016-1966, Medium

See also: 🔍

Entryinfo

Created: 03/09/2016 10:06
Updated: 07/09/2022 13:08
Changes: 03/09/2016 10:06 (73), 09/02/2018 10:32 (11), 07/09/2022 13:08 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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