Mozilla Firefox up to 49 URL Parser input validation

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

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 49. It has been rated as critical. This issue affects some unknown processing of the component URL Parser. This manipulation causes input validation. This vulnerability is registered as CVE-2016-5292. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 49 (Web Browser). It has been declared as critical. Affected by this vulnerability is an unknown function of the component URL Parser. The manipulation with an unknown input leads to a input validation vulnerability. 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 summary by CVE is:

During URL parsing, a maliciously crafted URL can cause a potentially exploitable crash. This vulnerability affects Firefox < 50.

The weakness was published 11/15/2016 as MFSA 2016-89 as confirmed security advisory (Website). The advisory is shared at mozilla.org. This vulnerability is known as CVE-2016-5292. 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. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 95590 (openSUSE Security Update : Mozilla Firefox / Thunderbird and NSS (openSUSE-2016-1407)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370225 (Mozilla Firefox Multiple Vulnerabilities (MFSA2016-89,MFSA2016-90)).

Upgrading to version 50 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 (95590), SecurityFocus (BID 94337†) and SecurityTracker (ID 1037298†). Similar entries are available at VDB-93624, VDB-93626, VDB-93627 and VDB-93628. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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

CVSSv2info

AVACAuCIA
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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
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: 95590
Nessus Name: openSUSE Security Update : Mozilla Firefox / Thunderbird and NSS (openSUSE-2016-1407)
Nessus File: 🔍
Nessus Family: 🔍

OpenVAS ID: 802170
OpenVAS Name: Mozilla Firefox Security Updates (mfsa_2016-89_2016-90)-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 50

Timelineinfo

11/15/2016 🔍
11/15/2016 +0 days 🔍
11/16/2016 +1 days 🔍
11/16/2016 +0 days 🔍
01/31/2018 +441 days 🔍
06/11/2018 +130 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2016-89
Status: Confirmed

CVE: CVE-2016-5292 (🔍)
GCVE (CVE): GCVE-0-2016-5292
GCVE (VulDB): GCVE-100-93625
SecurityFocus: 94337
SecurityTracker: 1037298 - Mozilla Firefox Multiple Bugs Let Remote Users Execute Arbitrary Code, Bypass Security Restrictions, Spoof URLs, Modify Files, and Obtain Potentially Sensitive Information

See also: 🔍

Entryinfo

Created: 11/16/2016 14:03
Updated: 01/31/2018 09:52
Changes: 11/16/2016 14:03 (46), 01/31/2018 09:52 (23)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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