Vulnerability CVE-2008-3950
Published: 2008-09-16   Modified: 2012-02-12

Description:
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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
iPhone Safari JavaScript alert Denial of Service
Core Security Te...
13.09.2008

Type:

CWE-189

 (Numeric Errors)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Apple -> Safari 
Apple -> Iphone 
Apple -> Ipod touch 

 References:
http://securityreason.com/securityalert/4264
http://www.coresecurity.com/content/iphone-safari-javascript-alert-denial-of-service
http://www.securityfocus.com/archive/1/496321/100/0/threaded
http://www.securityfocus.com/bid/31061
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