Opera file:// handler buffer overflow
| opera-filehandler-bo (46653) |  High Risk |
Description:
Opera is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the file:// handler. By sending an overly long string of characters, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the browser to crash.
*CVSS:
| Base Score: | 7.5 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 5.9 |
| Exploitability: | Proof-of-Concept |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Upgrade to the latest version of Opera (9.63 or later), available from the Opera Web site. See References.
References:
- BugTraq Mailing List, Mon Nov 17 2008 - 12:16:22 CST : Opera 9.6x file:// overflow.
- Opera Web site: Advisory: Long hostnames in file: URLs can cause execution of arbitrary code.
- Opera Web site: Opera Web Browser.
- BID-32323: Opera Web Browser 'file://' Heap Based Buffer Overflow Vulnerability
- CVE-2008-5178: Heap-based buffer overflow in Opera 9.62 on Windows allows remote attackers to execute arbitrary code via a long file:// URI. NOTE: this might overlap CVE-2008-5680.
- GLSA-200903-30: Opera: Multiple vulnerabilities
- SA32752: Opera "file://" URI Handling Buffer Overflow Vulnerability
- VUPEN/ADV-2008-3183: Opera Browser file:// URI Handling Buffer Overflow Vulnerability
Platforms Affected:
- Gentoo Linux
- Opera Opera Browser 9.60
- Opera Opera Browser 9.61
- Opera Opera Browser 9.62
Reported:
Nov 17, 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.