Opera Web Browser up to 7.19 Same Origin Policy access control

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.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Opera Web Browser up to 7.19. Affected by this issue is some unknown functionality of the component Same Origin Policy. The manipulation results in access control. This vulnerability is known as CVE-2011-4681. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Opera Web Browser up to 7.19 (Web Browser). Affected is an unknown code block of the component Same Origin Policy. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on integrity. CVE summarizes:

Opera before 11.60 does not properly consider the number of . (dot) characters that conventionally exist in domain names of different top-level domains, which allows remote attackers to bypass the Same Origin Policy by leveraging access to a different domain name in the same top-level domain, as demonstrated by the .no or .uk domain.

The weakness was published 12/07/2011 (Website). The advisory is available at opera.com. This vulnerability is traded as CVE-2011-4681. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 74533 (openSUSE Security Update : opera (openSUSE-2011-76)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks.

Upgrading to version 7.20 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (71627), Tenable (74533) and Vulnerability Center (SBV-37171†). Similar entries are available at VDB-59616, VDB-59615, VDB-59614 and VDB-59613. 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

• 7.0
• 7.1
• 7.2
• 7.3
• 7.4
• 7.5
• 7.6
• 7.7
• 7.8
• 7.9
• 7.10
• 7.11
• 7.12
• 7.13
• 7.14
• 7.15
• 7.16
• 7.17
• 7.18
• 7.19

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: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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: 74533
Nessus Name: openSUSE Security Update : opera (openSUSE-2011-76)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 70592
OpenVAS Name: FreeBSD Ports: opera, linux-opera
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

12/06/2011 🔍
12/06/2011 +0 days 🔍
12/07/2011 +1 days 🔍
12/07/2011 +0 days 🔍
11/13/2012 +342 days 🔍
06/13/2014 +577 days 🔍
03/23/2015 +283 days 🔍
11/27/2021 +2441 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: opera.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-4681 (🔍)
GCVE (CVE): GCVE-0-2011-4681
GCVE (VulDB): GCVE-100-59610
X-Force: 71627
Vulnerability Center: 37171 - Opera <11.60 Remote Security Bypass - CVE-2011-4681, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/27/2021 04:42
Changes: 03/23/2015 16:50 (66), 04/20/2017 22:20 (1), 11/27/2021 04:30 (3), 11/27/2021 04:42 (1)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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