Apple Mac OS X Firewall Blacklist Denial of Service Vulnerability

BID:39264

Info

Apple Mac OS X Firewall Blacklist Denial of Service Vulnerability

Bugtraq ID: 39264
Class: Input Validation Error
CVE: CVE-2010-0500
Remote: Yes
Local: No
Published: Mar 29 2010 12:00AM
Updated: Mar 29 2010 12:00AM
Credit: Apple
Vulnerable: Apple Mac OS X Server 10.6.2
Apple Mac OS X Server 10.6.1
Apple Mac OS X Server 10.5.8
Apple Mac OS X Server 10.5.7
Apple Mac OS X Server 10.5.6
Apple Mac OS X Server 10.5.5
Apple Mac OS X Server 10.5.4
Apple Mac OS X Server 10.5.3
Apple Mac OS X Server 10.5.2
Apple Mac OS X Server 10.5.1
Apple Mac OS X Server 10.6
Apple Mac OS X Server 10.5
Apple Mac OS X 10.6.2
Apple Mac OS X 10.6.1
Apple Mac OS X 10.5.8
Apple Mac OS X 10.5.7
Apple Mac OS X 10.5.6
Apple Mac OS X 10.5.5
Apple Mac OS X 10.5.4
Apple Mac OS X 10.5.3
Apple Mac OS X 10.5.2
Apple Mac OS X 10.5.1
Apple Mac OS X 10.6
Apple Mac OS X 10.5
Not Vulnerable: Apple Mac OS X Server 10.6.3
Apple Mac OS X 10.6.3

Discussion

Apple Mac OS X Firewall Blacklist Denial of Service Vulnerability

Apple Mac OS X is prone to a remote denial-of-service vulnerability because it fails to properly sanitize user-supplied input.

Successful exploits may allow attackers to add arbitrary systems to the firewall blacklist, resulting in denial-of-service conditions.

The following are vulnerable:

Mac OS X 10.5.8
Mac OS X Server 10.5.8
Mac OS X 10.6 through 10.6.2
Mac OS X Server 10.6 through 10.6.2

NOTE: This issue was previously covered in BID 39020 (Apple Mac OS X APPLE-SA-2010-03-29-1 Multiple Security Vulnerabilities) but has been assigned its own record to better document it.

Exploit / POC

Apple Mac OS X Firewall Blacklist Denial of Service Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

Apple Mac OS X Firewall Blacklist Denial of Service Vulnerability

Solution:
Updates are available; please see the references for details.


Apple Mac OS X Server 10.6

Apple Mac OS X 10.6

Apple Mac OS X 10.5

Apple Mac OS X Server 10.5

Apple Mac OS X Server 10.5.1

Apple Mac OS X 10.5.1

Apple Mac OS X Server 10.5.2

Apple Mac OS X 10.5.2

Apple Mac OS X 10.5.3

Apple Mac OS X Server 10.5.3

Apple Mac OS X 10.5.4

Apple Mac OS X Server 10.5.4

Apple Mac OS X Server 10.5.5

Apple Mac OS X 10.5.5

Apple Mac OS X 10.5.6

Apple Mac OS X Server 10.5.6

Apple Mac OS X Server 10.5.7

Apple Mac OS X 10.5.7

Apple Mac OS X Server 10.5.8

Apple Mac OS X 10.5.8

Apple Mac OS X Server 10.6.1

Apple Mac OS X 10.6.1

Apple Mac OS X 10.6.2

Apple Mac OS X Server 10.6.2

References

Apple Mac OS X Firewall Blacklist Denial of Service Vulnerability

References:
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