CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

A vulnerability was found in Mozilla Firefox up to 48 (Web Browser). It has been rated as problematic. This issue affects the function PropertyProvider::GetSpacingInternal of the component CSS Handler. The manipulation of the argument display:contents with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability. The summary by CVE is:

The PropertyProvider::GetSpacingInternal function in Mozilla Firefox before 49.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via text runs in conjunction with a "display: contents" Cascading Style Sheets (CSS) property.

The weakness was released 09/22/2016 as MFSA2016-85 as not defined advisory (Website). It is possible to read the advisory at mozilla.org. The identification of this vulnerability is CVE-2016-5271. 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. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 93732 (openSUSE Security Update : MozillaFirefox / mozilla-nss (openSUSE-2016-1128)), 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 196583 (Ubuntu Security Notification for Firefox Vulnerabilities (USN-3076-1)).

Upgrading to version 49.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (93732) and SecurityFocus (BID 93052†). Entries connected to this vulnerability are available at VDB-91866, VDB-91868, VDB-91869 and VDB-91870.

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

Version

• 48

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 93732
Nessus Name: openSUSE Security Update : MozillaFirefox / mozilla-nss (openSUSE-2016-1128)
Nessus File: 🔍
Nessus Family: 🔍

OpenVAS ID: 831034
OpenVAS Name: Mozilla Firefox Security Updates( mfsa_2016-85_2016-86 )-MAC OS X
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firefox 49.0

Timelineinfo

06/03/2016 🔍
09/22/2016 +111 days 🔍
09/22/2016 +0 days 🔍
09/23/2016 +1 days 🔍
09/20/2022 +2188 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA2016-85
Status: Not defined

CVE: CVE-2016-5271 (🔍)
SecurityFocus: 93052
SecurityTracker: 1036852

See also: 🔍

Entryinfo

Created: 09/23/2016 09:23 AM
Updated: 09/20/2022 07:33 AM
Changes: 09/23/2016 09:23 AM (44), 01/31/2018 09:56 AM (20), 09/20/2022 07:28 AM (4), 09/20/2022 07:33 AM (11)
Complete: 🔍
Cache ID: 18:8F9:40

Discussion

Do you want to use VulDB in your project?

Use the official API to access entries easily!