JVN#15549168: Safari for iOS vulnerable to denial-of-service

Overview

Safari for iOS contains a denial-of-service (DoS) vulnerability.

Products Affected

Safari contained in iOS versions prior to 5.0

Description

Safari for iOS contains a denial-of-service (DoS) vulnerability.

Impact

A remote attacker may be able to cause a denial-of-service (DoS).

Solution

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

Vendor Status

Vendor	Link
Apple	About the security content of iOS 5 Software Update

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2011.12.15

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

Description of each analysis measures

Credit

Shuichiro Suzuki of Fourteenforty Research Institute, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE
JVN iPedia	JVNDB-2011-000105

JVN#15549168 Safari for iOS vulnerable to denial-of-service