Mozilla Firefox up to 55 on e10 data: URI input validation

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

A vulnerability classified as critical has been found in Mozilla Firefox up to 55 on e10 (Web Browser). Affected is some unknown processing of the component data: URI Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on 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). The advisory is available at mozilla.org. This vulnerability is traded as CVE-2017-7815 since 04/12/2017. 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. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/15/2021).

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 vulnerability database at Tenable (103678). The entries 107430, 107431, 107432 and 107433 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

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: 🔍

OpenVAS ID: 802170
OpenVAS Name: Mozilla Firefox Security Updates( mfsa_2017-21_2017-22 )-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 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-2017-7815 (🔍)
OVAL: 🔍

SecurityTracker: 1039465
SecurityFocus: 101057 - Mozilla Firefox Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 10/04/2017 11:52
Updated: 01/15/2021 12:57
Changes: 10/04/2017 11:52 (82), 11/21/2019 20:09 (7), 01/15/2021 12:57 (3)
Complete: 🔍

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