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VULNERABILITIES - November 1, 2005

by roddy32 / October 31, 2005 8:51 PM PST

TITLE:
Mac OS X Update Fixes Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA17368

VERIFY ADVISORY:
http://secunia.com/advisories/17368/

CRITICAL:
Less critical

IMPACT:
Security Bypass, Exposure of system information, Exposure of
sensitive information

WHERE:
Local system

OPERATING SYSTEM:
Apple Macintosh OS X
http://secunia.com/product/96/

DESCRIPTION:
Apple has issued an update for Mac OS X. This fixes some
vulnerabilities and a security issue, which can be exploited by
malicious, local users to bypass certain security restrictions or to
gain knowledge of potentially sensitive information.

1) An error in "memberd" when handling changes to group memberships
may be exploited by malicious users to access files or other
resources even after they have been removed from a group. This is
caused due to group membership changes not being enforced immediately
in access control checks.

The vulnerability has been reported in Mac OS X Server v10.4.2.

2) An error in the Keychain access utility in handling automatic
password display timeouts may be exploited to disclose the password
that is currently being viewed. This is caused due to the password
display not being hidden after timeout.

The security issue has been reported in Mac OS X v10.4.2 and Mac OS X
Server v10.4.2.

3) Some errors in certain kernel interfaces may be exploited to
return data that includes sensitive information in uninitialized
memory.

For more information:
SA14959
SA15262

The vulnerabilities have been reported in Mac OS X v10.4.2 and Mac OS
X Server v10.4.2.

An issue in the Software Update and another in the displaying of file
and group permissions in the Finder Get Info Window have also been
fixed.

SOLUTION:
Apply Mac OS X 10.4.3 update.

Mac OS X 10.4.2 Client:
http://www.apple.com/support/downloads/macosxupdate1043.html

Mac OS X 10.4, 10.4.1, 10.4.2 Client:
http://www.apple.com/support/downloads/macosxupdate1043combo.html

Mac OS X 10.4.2 Server:
http://www.apple.com/support/downloads/macosxserver1043.html

Mac OS X 10.4 - 10.4.2 Server:
http://www.apple.com/support/downloads/macosxserver1043combo.html

PROVIDED AND/OR DISCOVERED BY:
2) Eric Hall, DarkArt Consulting Services.
3) Ilja van Sprundel and Neil Archibald of Suresec LTD, and Colin
Pervical of FreeBSD.

ORIGINAL ADVISORY:
http://docs.info.apple.com/article.html?artnum=302763

OTHER REFERENCES:
SA14959:
http://secunia.com/advisories/14959/

SA15262:
http://secunia.com/advisories/15262/

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