Mozilla Firefox up to 28.0.1 Browser Engine memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Mozilla Firefox up to 28.0.1. This impacts an unknown function of the component Browser Engine. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2014-1518. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 28.0.1 (Web Browser). Affected by this issue is an unknown code block of the component Browser Engine. 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. CVE summarizes:

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

The weakness was presented 04/29/2014 by Bobby Holley, Carsten Book, Christoph Diehl, Gary Kwong, Jan de Mooij, Jesse Ruderman, Nathan Froyd and Christian Holler as MFSA2014-34 as confirmed advisory (Website). The advisory is shared for download at mozilla.org. The advisory contains:

In general these flaws cannot be exploited through email in the Thunderbird and Seamonkey products because scripting is disabled, but are potentially a risk in browser or browser-like contexts.
This vulnerability is handled as CVE-2014-1518 since 01/16/2014. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 73794 (Oracle Linux 5 / 6 : firefox (ELSA-2014-0448)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 122056 (Red Hat Update for Xulrunner firefox (RHSA-2014:0448)).

Upgrading to version 29.0 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 (92847), Tenable (73794), SecurityFocus (BID 67123†), Secunia (SA58344†) and SecurityTracker (ID 1030165†). bugzilla.mozilla.org is providing further details. See VDB-13101, VDB-13100, VDB-13099 and VDB-13098 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Mozilla Firefox up to 28.0.1
  • Mozilla Firefox ESR up to 24.4
  • Mozilla Thunderbird up to 24.4
  • Mozilla Seamonkey up to 2.25

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.0
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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: 73794
Nessus Name: Oracle Linux 5 / 6 : firefox (ELSA-2014-0448)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 702918
OpenVAS Name: Debian Security Advisory DSA 2918-1 (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 29.0

Timelineinfo

01/16/2014 🔍
04/29/2014 +103 days 🔍
04/29/2014 +0 days 🔍
04/29/2014 +0 days 🔍
04/30/2014 +1 days 🔍
04/30/2014 +0 days 🔍
04/30/2014 +0 days 🔍
04/30/2014 +0 days 🔍
04/30/2014 +0 days 🔍
05/01/2014 +1 days 🔍
05/01/2014 +0 days 🔍
11/25/2025 +4226 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA2014-34
Researcher: Bobby Holley, Carsten Book, Christoph Diehl, Gary Kwong, Jan de Mooij, Jesse Ruderman, Nathan Froyd, Christian Holler
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-1518 (🔍)
GCVE (CVE): GCVE-0-2014-1518
GCVE (VulDB): GCVE-100-13088

OVAL: 🔍
IAVM: 🔍

X-Force: 92847 - Mozilla Firefox,Thunderbird and SeaMonkey code execution, High Risk
SecurityFocus: 67123 - Mozilla Firefox/Thunderbird/SeaMonkey CVE-2014-1518 Multiple Memory Corruption Vulnerabilities
Secunia: 58344 - Mozilla Firefox / Thunderbird / SeaMonkey Multiple Vulnerabilities, Highly Critical
SecurityTracker: 1030165 - Mozilla Thunderbird Multiple Flaws Let Remote Users Execute Arbitrary Code, Deny Service, and Conduct Cross-Site Scripting Attacks and Local Users Gain Elevated Privileges
Vulnerability Center: 44345 - Multiple Mozilla Products Code Execution Vulnerability via Unspecified Vectors - CVE-2014-1518, Critical

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 04/30/2014 21:26
Updated: 11/25/2025 21:04
Changes: 04/30/2014 21:26 (92), 01/31/2018 09:55 (6), 06/19/2021 07:17 (12), 06/19/2021 07:22 (1), 11/25/2025 21:04 (18)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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