Opera Web Browser up to 7.19 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.
4.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Opera Web Browser up to 7.19. It has been rated as problematic. This issue affects some unknown processing. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2012-3563. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Opera Web Browser up to 7.19 (Web Browser). This issue affects an unknown function. 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:

Opera before 12.00 Beta allows remote attackers to cause a denial of service (application crash) via a web page that contains invalid character encodings.

The weakness was disclosed 06/14/2012 (Website). The advisory is shared at xforce.iss.net. The identification of this vulnerability is CVE-2012-3563 since 06/14/2012. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 7.20 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (76358). The entries VDB-60982, VDB-60981, VDB-60980 and VDB-60979 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Web Browser

Vendor

Opera

Name

Web Browser

Version

License

free

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 802651
OpenVAS Name: Opera Multiple Denial of Service Vulnerabilities - June12 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Web Browser 7.20

Timelineinfo

06/14/2012 🔍
06/14/2012 +0 days 🔍
06/14/2012 +0 days 🔍
03/23/2015 +1012 days 🔍
01/12/2018 +1026 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: xforce.iss.net
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-3563 (🔍)
GCVE (CVE): GCVE-0-2012-3563
GCVE (VulDB): GCVE-100-60977
X-Force: 76358 - Opera character encoding denial of service

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 01/12/2018 09:12
Changes: 03/23/2015 16:50 (54), 01/12/2018 09:12 (3)
Complete: 🔍
Cache ID: 216::103

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