Mozilla Firefox up to 48 SVG Document DOMSVGLength use after free

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.
9.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Mozilla Firefox up to 48. This impacts the function DOMSVGLength of the component SVG Document Handler. Performing a manipulation results in use after free. This vulnerability is identified as CVE-2016-5281. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical has been found in Mozilla Firefox up to 48 (Web Browser). This affects the function DOMSVGLength of the component SVG Document Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Use-after-free vulnerability in the DOMSVGLength class in Mozilla Firefox before 49.0 and Firefox ESR 45.x before 45.4 allows remote attackers to execute arbitrary code by leveraging improper interaction between JavaScript code and an SVG document.

The weakness was released 09/22/2016 by Brian Carpenter (ryan) (Website). The advisory is shared at geeknik.net. This vulnerability is uniquely identified as CVE-2016-5281 since 06/03/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/20/2022).

The vulnerability scanner Nessus provides a plugin with the ID 94043 (SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2016:2513-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236094 (Red Hat Update for firefox (RHSA-2016:1912)).

Upgrading to version 49.0 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (94043) and SecurityFocus (BID 93049†). Entries connected to this vulnerability are available at VDB-90438, VDB-90447, VDB-91869 and VDB-91870. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 94043
Nessus Name: SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2016:2513-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

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: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Firefox 49.0

Timelineinfo

06/03/2016 🔍
09/20/2016 +109 days 🔍
09/22/2016 +2 days 🔍
09/22/2016 +0 days 🔍
09/23/2016 +1 days 🔍
10/12/2016 +19 days 🔍
10/13/2016 +1 days 🔍
09/20/2022 +2168 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: RHSA-2016:1912
Researcher: Brian Carpenter (ryan)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-5281 (🔍)
GCVE (CVE): GCVE-0-2016-5281
GCVE (VulDB): GCVE-100-91881

OVAL: 🔍

SecurityFocus: 93049 - Mozilla Firefox Multiple Security Vulnerabilities
SecurityTracker: 1036852

See also: 🔍

Entryinfo

Created: 09/23/2016 09:24
Updated: 09/20/2022 08:58
Changes: 09/23/2016 09:24 (69), 04/23/2019 23:29 (15), 09/20/2022 08:58 (4)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!