Opera Web Browser prior 7.20 input validation

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

A vulnerability, which was classified as problematic, was found in Opera Web Browser (Web Browser). Affected is some unknown functionality. 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 availability. CVE summarizes:

The Cascading Style Sheets (CSS) implementation in Opera before 11.11 does not properly handle the column-count property, which allows remote attackers to cause a denial of service (infinite repaint loop and application hang) via a web page, as demonstrated by an unspecified Wikipedia page.

The weakness was shared 07/01/2011 (Website). The advisory is shared for download at opera.com. This vulnerability is traded as CVE-2011-2631 since 07/01/2011. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

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 7.20 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (68461), Tenable (59631), SecurityFocus (BID 48570†) and Vulnerability Center (SBV-32173†). The entries VDB-4967, VDB-4968, VDB-4969 and VDB-4970 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

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

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

NVD Base Score: 🔍

Exploitinginfo

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

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Web Browser 7.20

Timelineinfo

05/18/2011 🔍
05/18/2011 +0 days 🔍
07/01/2011 +44 days 🔍
07/01/2011 +0 days 🔍
07/01/2011 +0 days 🔍
07/10/2011 +9 days 🔍
03/23/2015 +1352 days 🔍
11/14/2021 +2428 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: opera.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-2631 (🔍)
GCVE (CVE): GCVE-0-2011-2631
GCVE (VulDB): GCVE-100-57864
X-Force: 68461
SecurityFocus: 48570 - Opera Web Browser Prior to 11.11 Multiple Remote Denial of Service Vulnerabilities
Vulnerability Center: 32173 - CSS Implementation in Opera before 11.11 Remote Denial of Service Vulnerability via a Web Page, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 04:50 PM
Updated: 11/14/2021 06:30 AM
Changes: 03/23/2015 04:50 PM (58), 03/26/2017 08:09 PM (10), 11/14/2021 06:30 AM (3)
Complete: 🔍
Cache ID: 18:838:40

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