Opera Web Browser up to 12.00 on Mac cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Opera Web Browser on Mac. Affected by this issue is some unknown functionality. Executing a manipulation can lead to cross site scripting. This vulnerability appears as CVE-2012-4145. The attack may be performed from remote. In addition, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Opera Web Browser on Mac (Web Browser) and classified as critical. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Unspecified vulnerability in Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, has unknown impact and attack vectors, related to a "low severity issue."

The weakness was presented 08/02/2012 as Opera 11.66 for Mac as not defined changelog entry (Website). The advisory is shared for download at opera.com. The public release was coordinated in cooperation with the vendor. This vulnerability was named CVE-2012-4145 since 08/06/2012. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a private exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 62301 (GLSA-201209-11 : 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 12.01 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 Tenable (62301), SecurityFocus (BID 54780†), OSVDB (84447†), Secunia (SA50298†) and Vulnerability Center (SBV-35843†). See VDB-5909, VDB-5910, VDB-5911 and VDB-61946 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.8
VulDB Temp Score: 7.9
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: Cross site scripting
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 62301
Nessus Name: GLSA-201209-11 : Opera: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 803002
OpenVAS Name: Opera Multiple Vulnerabilities - August12 (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 12.01

Timelineinfo

06/08/2012 🔍
08/02/2012 +55 days 🔍
08/02/2012 +0 days 🔍
08/02/2012 +0 days 🔍
08/03/2012 +1 days 🔍
08/06/2012 +3 days 🔍
08/06/2012 +0 days 🔍
08/13/2012 +7 days 🔍
08/14/2012 +1 days 🔍
08/16/2012 +2 days 🔍
03/27/2021 +3145 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: Opera 11.66 for Mac
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-4145 (🔍)
GCVE (CVE): GCVE-0-2012-4145
GCVE (VulDB): GCVE-100-5908

OVAL: 🔍

SecurityFocus: 54780 - Opera Web Browser Unspecified Security Vulnerability
Secunia: 50298 - SUSE update for opera, Highly Critical
OSVDB: 84447
Vulnerability Center: 35843 - Opera Before 12.01 Unspecified Remote Vulnerability Related to \, Critical

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

Entryinfo

Created: 08/13/2012 12:46
Updated: 03/27/2021 09:30
Changes: 08/13/2012 12:46 (73), 04/22/2019 10:45 (10), 03/27/2021 09:30 (2)
Complete: 🔍
Cache ID: 216::103

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