Mozilla Firefox up to 34.0.5 WebRTC use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Mozilla Firefox up to 34.0.5 and classified as critical. The impacted element is an unknown function of the component WebRTC. The manipulation leads to use after free. This vulnerability is listed as CVE-2014-8641. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 34.0.5 (Web Browser) and classified as critical. This issue affects an unknown part of the component WebRTC. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Use-after-free vulnerability in the WebRTC implementation in Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4, and SeaMonkey before 2.32 allows remote attackers to execute arbitrary code via crafted track data.

The weakness was presented 01/13/2015 by Mitchell Harper as MFSA2015-06 as confirmed advisory (Website). It is possible to read the advisory at mozilla.org. The public release was coordinated in cooperation with Mozilla. The identification of this vulnerability is CVE-2014-8641 since 11/06/2014. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The advisory points out:

Security researcher Mitchell Harper discovered a read-after-free in WebRTC due to the way tracks are handled. This results in a either a potentially exploitable crash or incorrect WebRTC behavior.

The vulnerability scanner Nessus provides a plugin with the ID 80522 (Firefox ESR 31.x < 31.4 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 167588 (OpenSuSE Security Update for seamonkey (openSUSE-SU-2015:0192-1)).

Upgrading to version 35 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 (99961), Tenable (80522), SecurityFocus (BID 72044†), Secunia (SA62237†) and SecurityTracker (ID 1031533†). bugzilla.mozilla.org is providing further details. See VDB-68597, VDB-68598, VDB-68599 and VDB-68600 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.5

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 80522
Nessus Name: Firefox ESR 31.x < 31.4 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703127
OpenVAS Name: Debian Security Advisory DSA 3127-1 (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: 🔍

Upgrade: Firefox 35

Timelineinfo

11/06/2014 🔍
01/13/2015 +68 days 🔍
01/13/2015 +0 days 🔍
01/13/2015 +0 days 🔍
01/14/2015 +1 days 🔍
01/14/2015 +0 days 🔍
01/14/2015 +0 days 🔍
01/14/2015 +0 days 🔍
01/14/2015 +0 days 🔍
01/15/2015 +1 days 🔍
01/15/2015 +0 days 🔍
03/02/2022 +2603 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA2015-06
Researcher: Mitchell Harper
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2014-8641 (🔍)
GCVE (CVE): GCVE-0-2014-8641
GCVE (VulDB): GCVE-100-68603

OVAL: 🔍

X-Force: 99961 - Mozilla Firefox and SeaMonkey WebRTC denial of service, Medium Risk
SecurityFocus: 72044 - Mozilla Firefox/SeaMonkey WebRTC Memory Corruption Vulnerability
Secunia: 62237 - Debian update for iceweasel, Highly Critical
SecurityTracker: 1031533 - Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code, Conduct Cross-Site Request Forgery Attacks, and Obtain Potentially Sensitive Information
Vulnerability Center: 48063 - Mozilla Firefox <35.0, Firefox ESR 31.x before 31.4, and SeaMonkey <2.32 Remote Code Execution - CVE-2014-8641, Critical

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 01/14/2015 11:14
Updated: 03/02/2022 12:19
Changes: 01/14/2015 11:14 (82), 01/31/2018 09:55 (12), 03/02/2022 12:19 (2)
Complete: 🔍
Cache ID: 216::103

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