Mozilla Firefox up to 47 Display Transformation nsDisplayList::HitTest type conversion

CVSS Meta Temp Score
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 47. Affected is the function nsDisplayList::HitTest of the component Display Transformation Handler. Performing a manipulation results in type conversion. This vulnerability is identified as CVE-2016-5263. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Mozilla Firefox up to 47 (Web Browser). This affects the function nsDisplayList::HitTest of the component Display Transformation Handler. The manipulation with an unknown input leads to a type conversion vulnerability. CWE is classifying the issue as CWE-704. The product does not correctly convert an object, resource, or structure from one type to a different type. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 08/02/2016 with Zero Day Initiative as MFSA 2016-78 as confirmed security advisory (Website). The advisory is shared at mozilla.org. This vulnerability is uniquely identified as CVE-2016-5263 since 06/03/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The advisory points out:

Using the Address Sanitizer tool, security researcher Nils reported a type confusion flaw in display transformation during rendering due to incorrect bounds checking. This leads to a potentially exploitable crash and can be triggered by web content.

The vulnerability scanner Nessus provides a plugin with the ID 92785 (Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS : firefox vulnerabilities (USN-3044-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157233 (Oracle Enterprise Linux Security Update for firefox (ELSA-2016-1551)).

Upgrading to version 48 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 (92785), SecurityFocus (BID 92258†) and SecurityTracker (ID 1036508†). Entries connected to this vulnerability are available at VDB-90424, VDB-90425, VDB-90426 and VDB-90427. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Type conversion
CWE: CWE-704
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: 92785
Nessus Name: Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS : firefox vulnerabilities (USN-3044-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 65178
OpenVAS Name: Mozilla Firefox Esr Security Updates( mfsa_2016-62_2016-84 )-MAC OS X
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 48

Timelineinfo

06/03/2016 🔍
08/02/2016 +60 days 🔍
08/02/2016 +0 days 🔍
08/02/2016 +0 days 🔍
08/03/2016 +1 days 🔍
08/04/2016 +1 days 🔍
08/04/2016 +0 days 🔍
08/08/2016 +4 days 🔍
09/09/2022 +2223 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2016-78
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-5263 (🔍)
GCVE (CVE): GCVE-0-2016-5263
GCVE (VulDB): GCVE-100-90441

OVAL: 🔍

SecurityFocus: 92258 - Mozilla Firefox Multiple Security Vulnerabilities
SecurityTracker: 1036508

See also: 🔍

Entryinfo

Created: 08/04/2016 09:21
Updated: 09/09/2022 18:04
Changes: 08/04/2016 09:21 (75), 03/16/2019 21:53 (13), 09/09/2022 18:04 (3)
Complete: 🔍
Cache ID: 216:B5D:103

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

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