Mozilla Firefox up to 55 on Android Full Screen Mode Address input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Mozilla Firefox up to 55 on Android. Affected is an unknown function of the component Full Screen Mode. The manipulation leads to input validation (Address). This vulnerability is uniquely identified as CVE-2017-7817. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 55 on Android (Web Browser) and classified as critical. This issue affects an unknown code of the component Full Screen Mode. The manipulation with an unknown input leads to a input validation vulnerability (Address). Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The bug was discovered 09/28/2017. The weakness was disclosed 09/28/2017 by Abdulrahman Alqabandi (Mike) as MFSA 2017-21 as confirmed security advisory (Website). It is possible to read the advisory at mozilla.org. The identification of this vulnerability is CVE-2017-7817 since 04/12/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 vulnerability scanner Nessus provides a plugin with the ID 103678 (Mozilla Firefox < 56 Multiple Vulnerabilities (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 370584 (Mozilla Firefox Multiple Vulnerabilities. (mfsa2017-21,mfsa2017-22)).

Upgrading to version 56 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 (103678), SecurityFocus (BID 101057†) and SecurityTracker (ID 1039465†). The entries VDB-107430, VDB-107431, VDB-107432 and VDB-107433 are pretty similar. Be aware that VulDB is the high quality source 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: 5.8
VulDB Meta Temp Score: 5.7

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

NVD Base Score: 5.3
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: 103678
Nessus Name: Mozilla Firefox < 56 Multiple Vulnerabilities (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

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 56

Timelineinfo

04/12/2017 🔍
09/28/2017 +169 days 🔍
09/28/2017 +0 days 🔍
09/28/2017 +0 days 🔍
09/28/2017 +0 days 🔍
09/29/2017 +1 days 🔍
10/04/2017 +5 days 🔍
10/06/2017 +2 days 🔍
06/11/2018 +247 days 🔍
01/15/2021 +949 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2017-21
Researcher: Abdulrahman Alqabandi (Mike)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7817 (🔍)
GCVE (CVE): GCVE-0-2017-7817
GCVE (VulDB): GCVE-100-107447
SecurityFocus: 101057 - Mozilla Firefox Multiple Security Vulnerabilities
SecurityTracker: 1039465

scip Labs: https://www.scip.ch/en/?labs.20130704
See also: 🔍

Entryinfo

Created: 10/04/2017 11:52
Updated: 01/15/2021 13:14
Changes: 10/04/2017 11:52 (78), 11/21/2019 20:43 (7), 01/15/2021 13:14 (3)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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