CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.8 | $0-$5k | 0.00 |
A vulnerability was found in Opera Web Browser up to 7.19 (Web Browser). It has been rated as problematic. This issue affects an unknown part of the component Web Workers. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:
Unspecified vulnerability in the Web Workers implementation in Opera before 11.60 allows remote attackers to cause a denial of service (application crash) via unknown vectors.
The weakness was published 12/07/2011 (Website). It is possible to read the advisory at opera.com. The identification of this vulnerability is CVE-2011-4686 since 12/06/2011. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.
The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 57039 (Opera < 11.60 Multiple Vulnerabilities (BEAST)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.
Upgrading to version 7.20 eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (71760) and Tenable (57039). Similar entries are available at 61946, 59616, 59614 and 59613.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
ATT&CK: T1499
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 57039
Nessus Name: Opera < 11.60 Multiple Vulnerabilities (BEAST)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 802834
OpenVAS Name: Opera Multiple Vulnerabilities - December11 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Web Browser 7.20
Timeline
12/06/2011 🔍12/06/2011 🔍
12/07/2011 🔍
12/07/2011 🔍
12/12/2011 🔍
11/12/2012 🔍
03/23/2015 🔍
11/27/2021 🔍
Sources
Vendor: opera.comAdvisory: opera.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2011-4686 (🔍)
X-Force: 71760
Vulnerability Center: 37164 - Opera <11.60 Remote Denial of Service - CVE-2011-4686, Medium
SecurityFocus: 51027 - Opera Web Browser Prior to 11.60 Multiple Denial of Service and Unspecified Vulnerabilitiies
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 03/23/2015 16:50Updated: 11/27/2021 05:38
Changes: 03/23/2015 16:50 (66), 04/20/2017 22:19 (7), 11/27/2021 05:38 (3)
Complete: 🔍
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