Mozilla Firefox up to 58.x JavaScript cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Mozilla Firefox up to 58.x. This impacts an unknown function of the component JavaScript Handler. This manipulation causes cross site scripting. The identification of this vulnerability is CVE-2018-5143. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 58.x (Web Browser). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component JavaScript Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 03/13/2018. The weakness was shared 03/13/2018 by Abdulrahman Alqabandi (Basti) as MFSA2018-06 as confirmed security advisory (Website). It is possible to read the advisory at mozilla.org. This vulnerability is known as CVE-2018-5143 since 01/03/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 108377 (Mozilla Firefox < 59 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370821 (Mozilla Firefox Multiple Vulnerabilities (mfsa2018-06 and mfsa2018-07)).

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 (108377), SecurityFocus (BID 103386†) and SecurityTracker (ID 1040514†). The entries VDB-114730, VDB-114731, VDB-114732 and VDB-114733 are related to this item. 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: 6.2
VulDB Meta Temp Score: 6.0

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

NVD Base Score: 6.1
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: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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: 108377
Nessus Name: Mozilla Firefox < 59 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 70227
OpenVAS Name: Mozilla Firefox Security Updates(mfsa_2018-06_2018-07)-MAC OS X
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 🔍
03/15/2018 +2 days 🔍
03/18/2018 +3 days 🔍
06/11/2018 +84 days 🔍
02/05/2021 +970 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA2018-06
Researcher: Abdulrahman Alqabandi (Basti)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-5143 (🔍)
GCVE (CVE): GCVE-0-2018-5143
GCVE (VulDB): GCVE-100-114739
SecurityFocus: 103386 - Mozilla Firefox MFSA2018-06 Multiple Security Vulnerabilities
SecurityTracker: 1040514

See also: 🔍

Entryinfo

Created: 03/18/2018 10:30
Updated: 02/05/2021 12:24
Changes: 03/18/2018 10:30 (78), 02/17/2020 20:35 (9), 02/05/2021 12:24 (3)
Complete: 🔍
Cache ID: 216::103

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