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Vulnerability Note VU#484380

Opera Web Browser fails to properly process overly long URLs

Overview

The Opera Web Browser fails to properly process overly long URLs. This vulnerability may allow arbitrary code execution.

I. Description

Opera is a multi-platform web browser that is available for a range of operating systems and embedded Internet products. Opera contains a heap buffer overflow vulnerability in the way that it parses tags containing long URLs. This vulnerability could be exploited by a remote attacker with the ability to construct a web page containing a specially crafted malicious tag and the ability to coerce an Opera user into visiting the page.

II. Impact

A remote, unauthenticated attacker may be able to execute arbitrary code with the privileges of the user running the vulnerable version of Opera or cause the browser to crash, resulting in a denial of service condition.

III. Solution

Update

Opera has released an update to address this issue. See Opera Advisory 848 for more details.

Do not follow untrusted links

Do not open unfamiliar or unexpected links, particularly those delivered in email messages. Please see Cyber Security Tip ST04-014.

Systems Affected

VendorStatusDate NotifiedDate Updated
OperaVulnerable24-Oct-2006

References


http://www.opera.com/support/search/supsearch.dml?index=848
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=424
http://secunia.com/advisories/22218/

Credit

This vulnerability was reported in Opera Advisory 848 . Opera credits iDefense Labs for reporting this issue.

This document was written by Chris Taschner.

Other Information

Date Public:2006-10-17
Date First Published:2006-10-24
Date Last Updated:2006-10-24
CERT Advisory: 
CVE-ID(s):CVE-2006-4819
NVD-ID(s):CVE-2006-4819
US-CERT Technical Alerts: 
Metric:10.14
Document Revision:10

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