Mozilla Firefox 44 WebRTC use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Mozilla Firefox 44. This impacts an unknown function of the component WebRTC. This manipulation causes use after free. This vulnerability is handled as CVE-2016-1962. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Mozilla Firefox 44 (Web Browser) and classified as critical. Affected by this vulnerability is an unknown code of the component WebRTC. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 03/08/2016 as MFSA 2016-25 as confirmed security advisory (Website). It is possible to read the advisory at mozilla.org. This vulnerability is known as CVE-2016-1962 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. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/09/2022).

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 168677 (OpenSuSE Security Update for Security MozillaThunderbird (openSUSE-SU-2016:0876-1)).

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 (111332), Tenable (89763) and Vulnerability Center (SBV-57121†). Entries connected to this vulnerability are available at VDB-77073, VDB-79807, VDB-81201 and VDB-81203. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.1

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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 2016-25
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1962 (🔍)
GCVE (CVE): GCVE-0-2016-1962
GCVE (VulDB): GCVE-100-81211

OVAL: 🔍

X-Force: 111332 - Mozilla Firefox WebRTC code execution
SecurityTracker: 1035215
Vulnerability Center: 57121 - Mozilla Firefox <45 and <ESR 38.7 Remote DoS When Using Multiple WebRTC Data Channels - CVE-2016-1962, High

See also: 🔍

Entryinfo

Created: 03/09/2016 10:04
Updated: 07/09/2022 12:24
Changes: 03/09/2016 10:04 (68), 09/01/2018 09:00 (16), 07/09/2022 12:24 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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