Mozilla Firefox up to 58.x integer overflow

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

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 58.x. It has been declared as critical. The affected element is an unknown function. Executing a manipulation can lead to integer overflow. This vulnerability is handled as CVE-2018-5144. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Mozilla Firefox up to 58.x (Web Browser) and classified as critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An integer overflow can occur during conversion of text to some Unicode character sets due to an unchecked length parameter. This vulnerability affects Firefox ESR < 52.7 and Thunderbird < 52.7.

The bug was discovered 03/13/2018. The weakness was released 03/13/2018 with Mozilla as MFSA2018-06 as confirmed security advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability was named CVE-2018-5144 since 01/03/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/26/2025).

The vulnerability scanner Nessus provides a plugin with the ID 108899 (CentOS 7 : thunderbird (CESA-2018:0648)), 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 236690 (Red Hat Update for firefox (RHSA-2018:0527)).

Upgrading to version 59 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 (108899), SecurityFocus (BID 103384†) and SecurityTracker (ID 1040514†). Entries connected to this vulnerability are available at VDB-114730, VDB-114731, VDB-114732 and VDB-114733. 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: 6.8
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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: 108899
Nessus Name: CentOS 7 : thunderbird (CESA-2018:0648)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 702986
OpenVAS Name: CentOS Update for firefox CESA-2018:0527 centos7
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 59

Timelineinfo

01/03/2018 🔍
03/13/2018 +69 days 🔍
03/13/2018 +0 days 🔍
03/13/2018 +0 days 🔍
03/13/2018 +0 days 🔍
03/13/2018 +0 days 🔍
03/18/2018 +5 days 🔍
04/10/2018 +23 days 🔍
06/11/2018 +61 days 🔍
11/26/2025 +2725 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA2018-06
Researcher: Root Object, Mozilla developers, community.
Organization: Mozilla
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-5144 (🔍)
GCVE (CVE): GCVE-0-2018-5144
GCVE (VulDB): GCVE-100-114736

OVAL: 🔍

SecurityFocus: 103384 - Mozilla Firefox ESR Multiple Security Vulnerabilities
SecurityTracker: 1040514

See also: 🔍

Entryinfo

Created: 03/18/2018 10:30
Updated: 11/26/2025 07:33
Changes: 03/18/2018 10:30 (79), 02/17/2020 20:19 (8), 02/05/2021 12:07 (2), 11/26/2025 07:33 (16)
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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