Apple CFNetwork HTTP NULL Pointer Dereference Denial of Service Vulnerability

BID:22249

Info

Apple CFNetwork HTTP NULL Pointer Dereference Denial of Service Vulnerability

Bugtraq ID: 22249
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2007-0464
Remote: Yes
Local: No
Published: Jan 25 2007 12:00AM
Updated: Nov 15 2007 12:40AM
Credit: LMH is credited with the discovery of this issue.
Vulnerable: Apple Mac OS X Server 10.4.10
Apple Mac OS X Server 10.4.9
Apple Mac OS X Server 10.4.8
Apple Mac OS X Server 10.4.7
Apple Mac OS X Server 10.4.6
Apple Mac OS X Server 10.4.5
Apple Mac OS X Server 10.4.4
Apple Mac OS X Server 10.4.3
Apple Mac OS X Server 10.4.2
Apple Mac OS X Server 10.4.1
Apple Mac OS X Server 10.4
Apple Mac OS X 10.4.10
Apple Mac OS X 10.4.9
Apple Mac OS X 10.4.8
Apple Mac OS X 10.4.7
Apple Mac OS X 10.4.6
Apple Mac OS X 10.4.5
Apple Mac OS X 10.4.4
Apple Mac OS X 10.4.3
Apple Mac OS X 10.4.2
Apple Mac OS X 10.4.1
Apple Mac OS X 10.4
Apple CFNetwork 129.19
Not Vulnerable: Apple Mac OS X Server 10.4.11
Apple Mac OS X 10.4.11

Discussion

Apple CFNetwork HTTP NULL Pointer Dereference Denial of Service Vulnerability

Apple CFNetwork Framework is prone to a denial-of-service vulnerability.

Attackers may exploit this issue by issuing a maliciously designed HTTP response to a client application that uses the vulnerable CFNetwork API.

Successful exploits will result in denial-of-service conditions within client applications.

CFNetwork 129.19 on Mac OS X 10.4.8 is vulnerable to this issue.

Exploit / POC

Apple CFNetwork HTTP NULL Pointer Dereference Denial of Service Vulnerability

An attacker can exploit this issue by enticing an unsuspecting victim to issue an HTTP request to a malicious CFNetwork server.

The following exploits are available:

Solution / Fix

Apple CFNetwork HTTP NULL Pointer Dereference Denial of Service Vulnerability

Solution:
The vendor released an update to address this issue. Please see the references for more information.


Apple Mac OS X 10.4.1

Apple Mac OS X 10.4.10

Apple Mac OS X 10.4.2

Apple Mac OS X 10.4.3

Apple Mac OS X 10.4.4

Apple Mac OS X 10.4.5

Apple Mac OS X 10.4.6

Apple Mac OS X 10.4.7

Apple Mac OS X 10.4.8

Apple Mac OS X 10.4.9

References

Apple CFNetwork HTTP NULL Pointer Dereference Denial of Service Vulnerability

References:
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