opera Web Browser up to 7.19 opera.dll memory corruption

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.
9.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in opera Web Browser up to 7.19. This vulnerability affects unknown code in the library opera.dll. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2011-0682. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in opera Web Browser up to 7.19 (Web Browser). This issue affects some unknown processing in the library opera.dll. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Integer truncation error in opera.dll in Opera before 11.01 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via an HTML form with a select element that contains a large number of children.

The weakness was shared 01/27/2011 (Website). It is possible to read the advisory at alternativ-testing.fr. The identification of this vulnerability is CVE-2011-0682. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/13/2021).

The vulnerability scanner Nessus provides a plugin with the ID 51928 (FreeBSD : opera -- multiple vulnerabilities (2eda0c54-34ab-11e0-8103-00215c6a37bb)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165185 (SUSE Security Update for Multiple Packages (SUSE-SR:2011:003)).

Upgrading to version 7.20 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 (51928), SecurityFocus (BID 46036†), OSVDB (70728†) and Vulnerability Center (SBV-29611†). The entries VDB-4271, VDB-56096, VDB-56095 and VDB-56352 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

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: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 51928
Nessus Name: FreeBSD : opera -- multiple vulnerabilities (2eda0c54-34ab-11e0-8103-00215c6a37bb)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 68952
OpenVAS Name: FreeBSD Ports: opera, opera-devel, linux-opera
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Web Browser 7.20

Timelineinfo

01/27/2011 🔍
01/27/2011 +0 days 🔍
01/27/2011 +0 days 🔍
01/31/2011 +3 days 🔍
01/31/2011 +0 days 🔍
01/31/2011 +0 days 🔍
02/02/2011 +2 days 🔍
02/08/2011 +5 days 🔍
03/20/2015 +1501 days 🔍
10/13/2021 +2399 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: alternativ-testing.fr
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-0682 (🔍)
GCVE (CVE): GCVE-0-2011-0682
GCVE (VulDB): GCVE-100-56279

OVAL: 🔍

SecurityFocus: 46036 - Opera Web Browser Multiple Security Vulnerabilities
Secunia: 43023
OSVDB: 70728 - Opera Large Form Input Handling Crafted HTML Document Memory Corruption
Vulnerability Center: 29611 - Opera Before 11.01 Remote Arbitrary Code Execution or DoS Vulnerability via a Crafted HTML Document, High

See also: 🔍

Entryinfo

Created: 03/20/2015 16:16
Updated: 10/13/2021 14:15
Changes: 03/20/2015 16:16 (66), 03/15/2017 12:24 (8), 10/13/2021 14:13 (4), 10/13/2021 14:15 (1)
Complete: 🔍
Cache ID: 216:E3D:103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!