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.
6.0	$0-$5k	0.00

A vulnerability has been found in Opera Web Browser up to 12.11 (Web Browser) and classified as critical. This vulnerability affects an unknown functionality of the component CSRF Protection. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. The CWE definition for the vulnerability is CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Opera before 12.13 does not send CORS preflight requests in all required cases, which allows remote attackers to bypass a CSRF protection mechanism via a crafted web site that triggers a CORS request.

The weakness was released 02/08/2013 by Arthur Gerkis with iSIGHT (Website). The advisory is available at opera.com. This vulnerability was named CVE-2013-1639 since 02/08/2013. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 64363 (Opera < 12.13 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.

Upgrading to version 12.12 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (81988) and Tenable (64363). Entries connected to this vulnerability are available at 7506, 7507, 7508 and 7509.

Productinfo

Type

• Web Browser

Vendor

• Opera

Name

• Web Browser

Version

• 12.0
• 12.1
• 12.2
• 12.3
• 12.4
• 12.5
• 12.6
• 12.7
• 12.8
• 12.9
• 12.10
• 12.11

License

• free

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 64363
Nessus Name: Opera < 12.13 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 803310
OpenVAS Name: Opera Multiple Vulnerabilities -01 Feb 13 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Web Browser 12.12

Timelineinfo

01/30/2013 🔍
01/30/2013 +0 days 🔍
02/08/2013 +9 days 🔍
02/08/2013 +0 days 🔍
02/08/2013 +0 days 🔍
07/01/2013 +143 days 🔍
03/24/2015 +631 days 🔍
12/29/2021 +2472 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: opera.com
Researcher: Arthur Gerkis
Organization: iSIGHT
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-1639 (🔍)
OVAL: 🔍

X-Force: 81988
Vulnerability Center: 40242 - Opera <12.13 Remote Security Bypass Vulnerability due to Not Sending CORS Preflight Requests in all Cases, Medium
SecurityFocus: 57633 - Opera Web Browser Prior to 12.13 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/29/2021 07:43
Changes: 03/24/2015 12:22 (66), 05/04/2017 10:28 (7), 12/29/2021 07:43 (4)
Complete: 🔍
Cache ID: 3:70E:103

Discussion

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