Apple Mac OS X CFNetwork SSL man-in-the-middle

macosx-cfnetwork-ssl-mitm (38463) The risk level is classified as LowLow Risk

Description:

CFNetwork in Apple Mac OS X could allow a remote attacker to spoof trusted SSL certificates, caused by improper validation of certificates. An attacker could exploit this vulnerability using man-in-the-middle techniques to spoof SSL certificates and redirect a user to a malicious Web site that would appear to be trusted. This could allow the attacker to obtain sensitive information that could be used to launch further attacks against the victim's system.

*CVSS:

Base Score: 4
  Access Vector: Network
  Access Complexity: High
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 3
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Obtain Information

Remedy:

Apply Apple Security Update 2007-008 or upgrade to the latest version of Mac OS X (10.4.11 or later), available from the Apple Web site. See References.

For Apple Safari:
Upgrade to the latest version of Apple Safari (3.1 or later), available from the Apple Web site. See References.

References:

  • Apple Web site: About the security content of Safari 3.1.
  • Apple Web site: About the security content of Mac OS X 10.4.11 and Security Update 2007-008.
  • BID-26444: Apple Mac OS X v10.4.11 2007-008 Multiple Security Vulnerabilities
  • CVE-2007-4680: CFNetwork in Apple Mac OS X 10.3.9 and 10.4 through 10.4.10 does not properly validate certificates, which allows remote attackers to spoof trusted SSL certificates via a man-in-the-middle attack.
  • OSVDB ID: 40680: Apple Mac OS X CFNetwork Certificate Validation Failure Trusted SSL Cert MiTM Spoofing
  • SA27643: Apple Mac OS X Security Update Fixes Multiple Vulnerabilities
  • SECTRACK ID: 1018950: Mac OS X Kernel and Networking Bugs Let Remote and Local Users Deny Service or Execute Arbitrary Code

Platforms Affected:

  • Apple Mac OS X 10.3.9
  • Apple Mac OS X 10.4
  • 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
  • Apple Mac OS X Server 10.3.9
  • Apple Mac OS X Server 10.4
  • Apple Mac OS X Server 10.4.1
  • Apple Mac OS X Server 10.4.10
  • Apple Mac OS X Server 10.4.2
  • Apple Mac OS X Server 10.4.3
  • Apple Mac OS X Server 10.4.4
  • Apple Mac OS X Server 10.4.5
  • Apple Mac OS X Server 10.4.6
  • Apple Mac OS X Server 10.4.7
  • Apple Mac OS X Server 10.4.8
  • Apple Mac OS X Server 10.4.9

Reported:

Nov 14, 2007

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