Mozilla Firefox up to 51.x javascript URL Address input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 51.x and classified as critical. Affected by this issue is some unknown functionality of the component javascript URL Handler. Executing a manipulation can lead to input validation (Address). This vulnerability is registered as CVE-2017-5420. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Mozilla Firefox up to 51.x (Web Browser) and classified as critical. This vulnerability affects an unknown code of the component javascript URL Handler. The manipulation with an unknown input leads to a input validation vulnerability (Address). The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 03/07/2017. The weakness was published 03/07/2017 by Abdulrahman Alqabandi (Alex) as MFSA 2017-05 as confirmed security advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability was named CVE-2017-5420 since 01/13/2017. 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 vulnerability scanner Nessus provides a plugin with the ID 97639 (Mozilla Firefox < 52.0 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 169884 (OpenSUSE Security Update for MozillaFirefox, mozilla-nss (openSUSE-SU-2017:0690-1)).

Upgrading to version 52 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 (97639), SecurityFocus (BID 96692†) and SecurityTracker (ID 1037966†). Similar entries are available at VDB-97756, VDB-97757, VDB-97758 and VDB-97759. 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: 6.4
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 6.5
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

Name: Address
Class: Input validation / Address
CWE: CWE-20
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: 97639
Nessus Name: Mozilla Firefox < 52.0 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802170
OpenVAS Name: Mozilla Firefox Security Updates(mfsa_2017-05_2017-07)-Windows
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 52

Timelineinfo

01/13/2017 🔍
03/07/2017 +53 days 🔍
03/07/2017 +0 days 🔍
03/07/2017 +0 days 🔍
03/07/2017 +0 days 🔍
03/08/2017 +1 days 🔍
03/09/2017 +1 days 🔍
03/10/2017 +1 days 🔍
06/11/2018 +457 days 🔍
08/27/2024 +2269 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2017-05
Researcher: Abdulrahman Alqabandi (Alex)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-5420 (🔍)
GCVE (CVE): GCVE-0-2017-5420
GCVE (VulDB): GCVE-100-97780

OVAL: 🔍

SecurityFocus: 96692 - Mozilla Firefox MFSA 2017-05 Multiple Security Vulnerabilities
OSVDB: - CVE-2017-5420 - Mozilla - Firefox - Spoofing Issue
SecurityTracker: 1037966

See also: 🔍

Entryinfo

Created: 03/10/2017 08:14
Updated: 08/27/2024 08:58
Changes: 03/10/2017 08:14 (80), 08/18/2020 15:51 (8), 08/27/2024 08:58 (19)
Complete: 🔍
Cache ID: 216::103

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