Opera Web Browser up to 7.11j input validation

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.
9.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Opera Web Browser. Affected by this issue is some unknown functionality. Performing a manipulation results in input validation. This vulnerability is identified as CVE-2011-2628. The attack can be initiated remotely. Additionally, an exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical has been found in Opera Web Browser (Web Browser). This affects some unknown processing. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Opera before 11.11 does not properly implement FRAMESET elements, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to page unload.

The weakness was released 07/01/2011 with SecuriTeam Secure Disclosure (Website). The advisory is shared at opera.com. This vulnerability is uniquely identified as CVE-2011-2628 since 07/01/2011. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. The price for an exploit might be around USD at the moment (estimation calculated on 06/13/2025).

A public exploit has been developed in Ruby. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 54587 (Opera < 11.11 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 7.20 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (68464), Tenable (54587), SecurityFocus (BID 47906†) and Vulnerability Center (SBV-32192†). Entries connected to this vulnerability are available at VDB-57866, VDB-57865, VDB-57864 and VDB-57863. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 54587
Nessus Name: Opera < 11.11 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802755
OpenVAS Name: Opera Browser Multiple Vulnerabilities-01 July-11 (Mac OS X)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Web Browser 7.20
Fortigate IPS: 🔍

Timelineinfo

05/18/2011 🔍
05/18/2011 +0 days 🔍
05/19/2011 +1 days 🔍
07/01/2011 +43 days 🔍
07/01/2011 +0 days 🔍
07/01/2011 +0 days 🔍
07/11/2011 +10 days 🔍
03/23/2015 +1351 days 🔍
06/13/2025 +3735 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: opera.com
Organization: SecuriTeam Secure Disclosure
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-2628 (🔍)
GCVE (CVE): GCVE-0-2011-2628
GCVE (VulDB): GCVE-100-57861
X-Force: 68464
SecurityFocus: 47906 - Opera Web Browser Frameset Constructs Memory Corruption Vulnerability
Secunia: 44611
Vulnerability Center: 32192 - Opera before 11.11 Remote Arbitrary Code Execution or DoS via Vectors Related to Page Unload, Medium

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

Entryinfo

Created: 03/23/2015 16:50
Updated: 06/13/2025 11:11
Changes: 03/23/2015 16:50 (61), 04/03/2017 18:12 (14), 11/14/2021 00:15 (5), 06/13/2025 11:11 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!