Opera Web Browser 12.14 HTML5 Engine localStorage denial of service

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

Summaryinfo

A vulnerability was found in Opera Web Browser 12.14. It has been declared as problematic. This affects the function localStorage of the component HTML5 Engine. Executing a manipulation can lead to denial of service. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Opera Web Browser 12.14 (Web Browser). This vulnerability affects the function localStorage of the component HTML5 Engine. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was shared 02/27/2013 by Feross Aboukhadijeh as Introducing the new HTML5 Hard Disk Filler™ API as not defined exploit (Website). The advisory is available at feross.org. The vendor was not involved in the coordination of the public release. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

A public exploit has been developed by Feross Aboukhadijeh in HTML5 and been published immediately after the advisory. It is possible to download the exploit at filldisk.com. It is declared as highly functional.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at OSVDB (92286†). Additional details are provided at bbc.co.uk. The entries VDB-8431, VDB-8432 and VDB-8433 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Web Browser

Vendor

Opera

Name

Web Browser

Version

12.14

License

free

Website

Vendor: https://www.opera.com/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Author: Feross Aboukhadijeh
Programming Language: 🔍
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

02/27/2013 🔍
02/27/2013 +0 days 🔍
04/18/2013 +50 days 🔍
04/22/2019 +2195 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: Introducing the new HTML5 Hard Disk Filler™ API
Researcher: Feross Aboukhadijeh
Status: Not defined

GCVE (VulDB): GCVE-100-8434
OSVDB: 92286

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 04/18/2013 10:49
Updated: 04/22/2019 10:52
Changes: 04/18/2013 10:49 (53), 04/22/2019 10:52 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.