Mozilla Firefox 29.0.1 CompileEventHandlerInternal 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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4.8$0-$5k0.00

A vulnerability was found in Mozilla Firefox 29.0.1 (Web Browser). It has been rated as critical. Affected by this issue is the function nsEventListenerManager::CompileEventHandlerInternal. 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 issue has been introduced in 12/10/2013. The weakness was disclosed 06/10/2014 by Tyson Smith and Jesse Schwartzentruber with BlackBerry as MFSA2014-51 as confirmed advisory (Website). The advisory is available at mozilla.org. This vulnerability is handled as CVE-2014-1540 since 01/16/2014. The attack may be launched remotely. A simple authentication is necessary for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 182 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 74444 (FreeBSD : mozilla -- multiple vulnerabilities (888a0262-f0d9-11e3-ba0c-b4b52fce4ce8)), 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 195520 (Ubuntu Security Notification for Firefox Vulnerabilities (USN-2243-1)).

Upgrading to version 30.0 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 (93711) and Tenable (74444). bugzilla.mozilla.org is providing further details. The entries 13556, 13557, 13558 and 13559 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.5
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 74444
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (888a0262-f0d9-11e3-ba0c-b4b52fce4ce8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 90011
OpenVAS Name: Ubuntu Update for firefox USN-2243-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Firefox 30.0

Timelineinfo

12/10/2013 🔍
01/16/2014 +37 days 🔍
06/10/2014 +145 days 🔍
06/10/2014 +0 days 🔍
06/10/2014 +0 days 🔍
06/10/2014 +0 days 🔍
06/11/2014 +1 days 🔍
06/11/2014 +0 days 🔍
06/11/2014 +0 days 🔍
06/11/2014 +0 days 🔍
06/11/2014 +0 days 🔍
06/22/2021 +2568 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA2014-51
Researcher: Tyson Smith, Jesse Schwartzentruber
Organization: BlackBerry
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-1540 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 93711 - Mozilla Firefox nsEventListenerManager::CompileEventHandlerInternal() code execution, High Risk
SecurityTracker: 1030388 - Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code and Conduct Clickjacking Attacks
Vulnerability Center: 44943 - Mozilla Firefox and Seamonkey Remote Code Execution in Event Listener Manager - CVE-2014-1540, Critical
SecurityFocus: 67978 - Mozilla Firefox CVE-2014-1540 Memory Corruption Vulnerability
Secunia: 59171 - Mozilla Firefox Multiple Vulnerabilities, Highly Critical

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 06/11/2014 23:47
Updated: 06/22/2021 17:13
Changes: 06/11/2014 23:47 (78), 01/31/2018 09:55 (17), 06/22/2021 17:06 (2), 06/22/2021 17:13 (1)
Complete: 🔍

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