National Cyber Awareness System
Vulnerability Summary for CVE-2008-3950
Original release date:09/16/2008
Last revised:01/29/2009
Source:
US-CERT/NIST
Overview
Off-by-one error in the _web_drawInRect:withFont:ellipsis:alignment:measureOnly function in WebKit in Safari in Apple iPhone 1.1.4 and 2.0 and iPod touch 1.1.4 and 2.0 allows remote attackers to cause a denial of service (browser crash) via a JavaScript alert call with an argument that lacks breakable characters and has a length that is a multiple of the memory page size, leading to an out-of-bounds read.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
References to Advisories, Solutions, and Tools
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External Source: BID
Name: 31061
Type: Patch Information
External Source: MISC
Name: http://www.coresecurity.com/content/iphone-safari-javascript-alert-denial-of-service
Type: Patch Information
External Source: BUGTRAQ
Name: 20080912 CORE-2008-0126: iPhone Safari JavaScript alert Denial of Service
External Source: SREASON
Name: 4264