Mozilla Firefox up to 58.0 Chrome Privileged Document cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Mozilla Firefox up to 58.0. The affected element is an unknown function of the component Chrome Privileged Document Handler. The manipulation results in cross site scripting. This vulnerability was named CVE-2018-5124. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 58.0 (Web Browser). It has been classified as critical. Affected is an unknown part of the component Chrome Privileged Document Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Unsanitized output in the browser UI leaves HTML tags in place and can result in arbitrary code execution in Firefox before version 58.0.1.

The bug was discovered 01/29/2018. The weakness was presented 01/29/2018 as MFSA 2018-05 as confirmed security advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability is traded as CVE-2018-5124 since 01/03/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability scanner Nessus provides a plugin with the ID 106560 (Mozilla Firefox < 58.0.1 Arbitrary Code Execution (macOS)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197038 (Ubuntu Security Notification for Firefox Vulnerability (USN-3552-1)).

Upgrading to version 58.0.1 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 (106560) and SecurityTracker (ID 1040308†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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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: 106560
Nessus Name: Mozilla Firefox < 58.0.1 Arbitrary Code Execution (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 72613
OpenVAS Name: Ubuntu Update for firefox USN-3552-1
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 58.0.1

Timelineinfo

01/03/2018 🔍
01/29/2018 +26 days 🔍
01/29/2018 +0 days 🔍
01/29/2018 +0 days 🔍
01/30/2018 +1 days 🔍
01/31/2018 +1 days 🔍
02/01/2018 +1 days 🔍
02/03/2023 +1828 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2018-05
Status: Confirmed

CVE: CVE-2018-5124 (🔍)
GCVE (CVE): GCVE-0-2018-5124
GCVE (VulDB): GCVE-100-112668
SecurityFocus: 102843
SecurityTracker: 1040308

Entryinfo

Created: 01/31/2018 09:50
Updated: 02/03/2023 10:01
Changes: 01/31/2018 09:50 (67), 12/31/2019 15:16 (11), 02/03/2023 10:01 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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