Opera Web Browser up to 9.1 canvas.createpattern information disclosure

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

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Opera Web Browser up to 9.1. The impacted element is the function canvas.createpattern of the file canvas.createpattern. The manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2007-4944. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Opera Web Browser up to 9.1 (Web Browser). This issue affects the function canvas.createpattern of the file canvas.createpattern. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

The canvas.createPattern function in Opera 9.x before 9.22 for Linux, FreeBSD, and Solaris does not clear memory before using it to process a new pattern, which allows remote attackers to obtain sensitive information (memory contents) via JavaScript.

The bug was discovered 09/18/2007. The weakness was disclosed 08/22/2007 (Website). The advisory is shared at opera.com. The identification of this vulnerability is CVE-2007-4944 since 09/18/2007. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 25748 (FreeBSD : opera -- multiple vulnerabilities (12d266b6-363f-11dc-b6c9-000c6ec775d9)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading to version 9.02 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (36816), Tenable (25748), OSVDB (45946†) and Vulnerability Center (SBV-16243†). The entry VDB-37930 is pretty similar. 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: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 25748
Nessus Name: FreeBSD : opera -- multiple vulnerabilities (12d266b6-363f-11dc-b6c9-000c6ec775d9)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 58829
OpenVAS Name: FreeBSD Ports: opera, opera-devel, linux-opera
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Web Browser 9.02

Timelineinfo

07/19/2007 🔍
07/23/2007 +4 days 🔍
08/22/2007 +30 days 🔍
09/18/2007 +26 days 🔍
09/18/2007 +0 days 🔍
09/18/2007 +0 days 🔍
09/18/2007 +0 days 🔍
10/01/2007 +13 days 🔍
06/04/2008 +247 days 🔍
03/16/2015 +2475 days 🔍
07/27/2019 +1594 days 🔍

Sourcesinfo

Vendor: opera.com

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

CVE: CVE-2007-4944 (🔍)
GCVE (CVE): GCVE-0-2007-4944
GCVE (VulDB): GCVE-100-38837
X-Force: 36816
OSVDB: 45946 - Opera canvas.createPattern Function Arbitrary Memory Content Remote Disclosure
Vulnerability Center: 16243 - Opera < 9.22 Allows Memory Contents Reading due to Insufficient Clearing of Memory, Medium

See also: 🔍

Entryinfo

Created: 03/16/2015 12:18
Updated: 07/27/2019 09:01
Changes: 03/16/2015 12:18 (73), 07/27/2019 09:01 (2)
Complete: 🔍
Cache ID: 216:D1C:103

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