Mozilla Firefox 43 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Mozilla Firefox 43. Affected by this vulnerability is an unknown functionality. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2016-1931. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Mozilla Firefox 43 (Web Browser). Affected by this issue is an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The weakness was released 01/26/2016 by Bob Clary, Carsten Book, Christian Holler, Nicolas Pierron, Eric Rescorla, Tyson Smith, Gabor Krizsanits and Randell Jesup (Nils) with Dell as MFSA2016-01 as confirmed security advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability is handled as CVE-2016-1931 since 01/20/2016. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD (estimation calculated on 07/06/2022). The advisory points out:

Mozilla developers and community identified and fixed several memory safety bugs in the browser engine used in Firefox and other Mozilla-based products. Some of these bugs showed evidence of memory corruption under certain circumstances, and we presume that with enough effort at least some of these could be exploited to run arbitrary code.

The vulnerability scanner Nessus provides a plugin with the ID 88512 (FreeBSD : mozilla -- multiple vulnerabilities (4f00dac0-1e18-4481-95af-7aaad63fd303)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168483 (OpenSuSE Security Update for Mozilla Firefox (openSUSE-SU-2016:0306-1)).

Upgrading to version 44 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 Tenable (88512), SecurityFocus (BID 81953†) and Vulnerability Center (SBV-56226†). bugzilla.mozilla.org is providing further details. Entries connected to this vulnerability are available at VDB-79808, VDB-80684, VDB-80694 and VDB-80693. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.7

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 10.0
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 88512
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (4f00dac0-1e18-4481-95af-7aaad63fd303)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 803852
OpenVAS Name: Mozilla Firefox Multiple Vulnerabilities - Jan16 (Windows)
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: 🔍

Upgrade: Firefox 44

Timelineinfo

12/31/2015 🔍
01/20/2016 +19 days 🔍
01/25/2016 +5 days 🔍
01/26/2016 +0 days 🔍
01/26/2016 +0 days 🔍
01/27/2016 +1 days 🔍
01/27/2016 +0 days 🔍
01/31/2016 +3 days 🔍
02/01/2016 +1 days 🔍
07/06/2022 +2346 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA2016-01
Researcher: Bob Clary, Carsten Book, Christian Holler, Nicolas Pierron, Eric Rescorla, Tyson Smith, Gabor Krizsanits, Randell Jesup (Nils)
Organization: Dell
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1931 (🔍)
GCVE (CVE): GCVE-0-2016-1931
GCVE (VulDB): GCVE-100-80696
SecurityFocus: 81953 - Mozilla Firefox MFSA 2016-01 Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1034825
Vulnerability Center: 56226 - Mozilla Firefox <44 and <ESR 38.6 Remote Code Execution Vulnerability - CVE-2016-1931, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 01/27/2016 13:42
Updated: 07/06/2022 13:14
Changes: 01/27/2016 13:42 (71), 07/23/2018 07:56 (19), 07/06/2022 13:14 (4)
Complete: 🔍
Cache ID: 216::103

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