Opera Web Browser up to 12.00 Beta JSON String Formatter access control

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in Opera Web Browser up to 12.00 Beta and classified as problematic. The affected element is an unknown function of the component JSON String Formatter. The manipulation leads to access control. This vulnerability is documented as CVE-2012-3557. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Opera Web Browser up to 12.00 Beta (Web Browser). It has been rated as problematic. This issue affects an unknown part of the component JSON String Formatter. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality. The summary by CVE is:

Opera before 11.65 does not properly restrict the reading of JSON strings, which allows remote attackers to perform cross-domain loading of JSON resources and consequently obtain sensitive information via a crafted web site.

The weakness was released 06/14/2012 by Jordi Chancel with Code Audit Labs as Opera 11.65 for Mac as not defined changelog entry (Website). The advisory is shared at opera.com. The identification of this vulnerability is CVE-2012-3557 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. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 59631 (GLSA-201206-03 : Opera: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks.

Upgrading to version 12.00 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (76366), Tenable (59631), SecurityFocus (BID 54011†), OSVDB (82954†) and Secunia (SA49533†). Entries connected to this vulnerability are available at VDB-4967, VDB-4968, VDB-4969 and VDB-4970. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Nessus ID: 59631
Nessus Name: GLSA-201206-03 : Opera: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802648
OpenVAS Name: Opera Multiple Vulnerabilities - June12 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Web Browser 12.00

Timelineinfo

06/14/2012 🔍
06/14/2012 +0 days 🔍
06/14/2012 +0 days 🔍
06/14/2012 +0 days 🔍
06/14/2012 +0 days 🔍
06/14/2012 +0 days 🔍
06/14/2012 +0 days 🔍
06/15/2012 +1 days 🔍
06/21/2012 +6 days 🔍
06/26/2012 +5 days 🔍
03/25/2021 +3194 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: Opera 11.65 for Mac
Researcher: Jordi Chancel
Organization: Code Audit Labs
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-3557 (🔍)
GCVE (CVE): GCVE-0-2012-3557
GCVE (VulDB): GCVE-100-5561
X-Force: 76366
SecurityFocus: 54011 - Opera Web Browser Prior to 11.65 Multiple Vulnerabilities
Secunia: 49533 - Opera Multiple Vulnerabilities, Less Critical
OSVDB: 82954
Vulnerability Center: 35428 - Opera < 11.65 Improper Restriction of JSON Strings Reading Allows Cross-Domain Loading, Medium

See also: 🔍

Entryinfo

Created: 06/21/2012 11:56
Updated: 03/25/2021 16:34
Changes: 06/21/2012 11:56 (71), 04/22/2019 10:45 (11), 03/25/2021 16:34 (3)
Complete: 🔍
Cache ID: 216:7CD:103

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

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