JVN#47757122: Opera vulnerable to denial-of-service (DoS)

Overview

Opera contains a denial-of-service vulnerability.

Opera is a web browsing software. Opera contains an issue when attempting to resolve an invalid URL leading to a denial-of-service vulnerability.

If a user accesses a malicious URL, this may cause Opera or the system to crash.

Update the software
Update to the latest version according to the information provided by the developer.

Vendor	Link
Opera	Advisory: Issue with error pages can cause a system crash

Analyzed on 2011.07.05

Measures	Conditions	Severity
Access Required	can be attacked over the Internet using packets	High
Authentication	anonymous or no authentication (IP addresses do not count)	High
User Interaction Required	the user must be convinced to take a standard action that does not feel harmful to most users, such as click on a link or view a file	Mid
Exploit Complexity	some expertise and/or luck required (most buffer overflows, guessing correctly in small space, expertise in Windows function calls)	Mid-High

Masahiro Yamada reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.