Opera tag URL buffer overflow
| opera-tag-url-bo (29632) |  High Risk |
Description:
Opera is vulnerable to a heap-based buffer overflow, caused by improper bounds checking of a tag that contains a URL. By creating a Web site containing an overly long URL in a tag, a remote attacker could overflow a buffer and execute arbitrary code on the system with the privileges of the victim or cause the browser to crash, if the attacker could persuade the victim to visit a malicious Web site.
Platforms Affected:
- Opera, Opera 9.0
- Opera, Opera 9.01
- SuSE, SuSE Linux 10.0
- SuSE, SuSE Linux 10.1
- SuSE, SuSE Linux 9.0
- SuSE, SuSE Linux 9.2
- SuSE, SuSE Linux 9.3
- SuSE, SuSE SLES 9
Remedy:
Upgrade to the latest version of Opera (9.02 or later), available from the Opera Web site. See References.
For SUSE Linux:
Refer to SUSE-SA:2006:061 for patch, upgrade, or suggested workaround information. See References.
Consequences:
Gain Access
References:
- iDEFENSE ADVISORY: 10.17.06, Opera Software Opera Web Browser URL Parsing Heap Overflow Vulnerability at http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=424.
- Opera Web site, Download Opera Web Browser at http://www.opera.com/download/.
- BID-20591: Opera Web Browser URI Tag Parsing Heap Buffer Overflow Vulnerability
- CVE-2006-4819: Heap-based buffer overflow in Opera 9.0 and 9.01 allows remote attackers to execute arbitrary code via a long URL in a tag (long link address).
- SA22218: Opera Web Browser URL Handling Buffer Overflow Vulnerability
- SECTRACK ID: 1017080: Opera Large Link Address Heap Overflow Lets Remote Users Execute Arbitrary Code
- SUSE-SA:2006:061: opera security problems
- US-CERT VU#484380: Opera Web Browser fails to properly process overly long URLs
- VUPEN/ADV-2006-4066: Opera Browser Security Update Fixes URL Parsing Buffer Overflow Vulnerability
Reported:
Oct 17, 2006
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