About the security content of Mac OS X v10.6.6

Mac OS X v10.6.6

• PackageKit

  CVE-ID: CVE-2010-4013

  Available for: Mac OS X v10.6 through v10.6.5, Mac OS X Server v10.6 through v10.6.5

  Impact: A man-in-the-middle attacker may be able to cause an unexpected application termination or arbitrary code execution

  Description: A format string issue exists in PackageKit's handling of distribution scripts. A man-in-the-middle attacker may be able to cause an unexpected application termination or arbitrary code execution when Software Update checks for new updates. This issue is addressed through improved validation of distribution scripts. This issue does not affect systems prior to Mac OS X v10.6. Credit to Aaron Sigel of vtty.com for reporting this issue.

Read more...
http://support.apple.com/kb/HT4498

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