Apple Mac OS X Invalid Host Name SSL Certificate Validation Security Bypass Vulnerability
BID:42655
Info
Apple Mac OS X Invalid Host Name SSL Certificate Validation Security Bypass Vulnerability
| Bugtraq ID: | 42655 |
| Class: | Design Error |
| CVE: |
CVE-2010-1802 |
| Remote: | Yes |
| Local: | No |
| Published: | Aug 24 2010 12:00AM |
| Updated: | Aug 24 2010 12:00AM |
| Credit: | Peter Speck |
| Vulnerable: |
Apple Mac OS X Server 10.6.4 Apple Mac OS X Server 10.6.3 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 10.5 Apple Mac OS X Server 10.6 Apple Mac OS X Server 10.5 Apple Mac OS X 10.6.4 Apple Mac OS X 10.6.3 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 10.5 Apple Mac OS X 10.6 Apple Mac OS X 10.5 |
| Not Vulnerable: | |
Discussion
Apple Mac OS X Invalid Host Name SSL Certificate Validation Security Bypass Vulnerability
Apple Mac OS X is prone to a security-bypass vulnerability in the 'libsecurity' component because it fails to properly validate the host name in a signed CA certificate, allowing attackers to substitute malicious SSL certificates for trusted ones.
Successfully exploiting this issue allows attackers to perform man-in-the-middle attacks or impersonate trusted servers, which will aid in further attacks.
This issue affects the following:
Mac OS X 10.5.8 and 10.6.4
Mac OS X Server 10.5.8 and 10.6.4
Apple Mac OS X is prone to a security-bypass vulnerability in the 'libsecurity' component because it fails to properly validate the host name in a signed CA certificate, allowing attackers to substitute malicious SSL certificates for trusted ones.
Successfully exploiting this issue allows attackers to perform man-in-the-middle attacks or impersonate trusted servers, which will aid in further attacks.
This issue affects the following:
Mac OS X 10.5.8 and 10.6.4
Mac OS X Server 10.5.8 and 10.6.4
Exploit / POC
Apple Mac OS X Invalid Host Name SSL Certificate Validation Security Bypass Vulnerability
Attackers use man-in-the-middle attacks to exploit this issue.
Attackers use man-in-the-middle attacks to exploit this issue.
Solution / Fix
Apple Mac OS X Invalid Host Name SSL Certificate Validation Security Bypass Vulnerability
Solution:
Updates are available. Please see the references for more information.
Apple Mac OS X Server 10.5.8
Apple Mac OS X 10.5.8
Apple Mac OS X 10.6.4
Apple Mac OS X Server 10.6.4
Solution:
Updates are available. Please see the references for more information.
Apple Mac OS X Server 10.5.8
-
Apple SecUpdSrvr2010-005.dmg
For Mac OS X Server v10.5.8
http://www.apple.com/support/downloads/
Apple Mac OS X 10.5.8
-
Apple SecUpd2010-005.dmg
For Mac OS X v10.5.8
http://www.apple.com/support/downloads/ -
Apple SecUpdSrvr2010-005.dmg
For Mac OS X Server v10.5.8
http://www.apple.com/support/downloads/
Apple Mac OS X 10.6.4
-
Apple SecUpd2010-005Snow.dmg
For Mac OS X v10.6.4
http://www.apple.com/support/downloads/
Apple Mac OS X Server 10.6.4
-
Apple SecUpdSrvr2010-005.dmg
For Mac OS X v10.6.4
http://www.apple.com/support/downloads/
References
Apple Mac OS X Invalid Host Name SSL Certificate Validation Security Bypass Vulnerability
References:
References:
- Mac OS X Homepage (Apple)