Opera Web feed source information disclosure
| opera-feedsource-info-disclosure (44557) |  Low Risk |
Description:
Opera could allow a remote attacker to obtain sensitive information, caused by an error when verifying if a Web page links to a local file. A remote attacker could exploit this vulnerability to link to feed source files on a local system and verify if a file exists or not.
*CVSS:
| Base Score: | 5 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | None |
| Availability Impact: | None |
| Temporal Score: | 3.7 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Obtain Information
Remedy:
Upgrade to the latest version of Opera (9.52 or later), available from the Opera Web site. See References.
References:
- Opera Download Web site: Download Opera Web Browser.
- Opera Software Knowledge Base Article 896: Advisory: Feed links can link to local files.
- Opera Web site: Opera 9.52 for Windows Changelog.
- BID-30768: Opera Web Browser 9.51 Multiple Security Vulnerabilities
- CVE-2008-4199: Opera before 9.52 does not prevent use of links from web pages to feed source files on the local disk, which might allow remote attackers to determine the validity of local filenames via vectors involving detection of JavaScript events and appropriate manipulation.
- GLSA-200811-01: Opera: Multiple vulnerabilities
- SA31549: Opera Multiple Vulnerabilities
- SECTRACK ID: 1020722: Opera Feed Source File Links Let Remote Users Determine if Local Files Exist
- VUPEN/ADV-2008-2416: Opera Browser Code Execution and Security Bypass Vulnerabilities
Platforms Affected:
- Gentoo Linux
- Opera Opera Browser 9.0
- Opera Opera Browser 9.10
- Opera Opera Browser 9.2
- Opera Opera Browser 9.21
- Opera Opera Browser 9.22
- Opera Opera Browser 9.23
- Opera Opera Browser 9.24
- Opera Opera Browser 9.25
- Opera Opera Browser 9.26
- Opera Opera Browser 9.27
- Opera Opera Browser 9.50
- Opera Opera Browser 9.51
Reported:
Aug 20, 2008
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.