Research > Zero-Day Tracker > 20110918
OS X Lion Fails to Protect Users' Password Hashes
Date Disclosed:
9/18/2011
Date Patched:
Patch Not Yet Available
Vendor:
Apple
Affected Software:
Apple OS X Lion
Description:
OS X Lion contains an information disclosure vulnerability, which permits any user to access the password hashes of any other user on the system.
Severity:
Moderate
Code Execution:
No
Impact:
Information Disclosure
This vulnerability allows any user on an OS X Lion system to access the password hashes of all other users on that system.
Mitigation:
Limit regular users' access to the dscl utility:
sudo chmod 100 /usr/bin/dscl
Protection:
Links:
Status:
9.18.2011 - Public Information Released
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