MySQL memcmp() Comparison Error Lets Remote Users Bypass Authentication
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SecurityTracker Alert ID: 1027143 |
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SecurityTracker URL: http://securitytracker.com/id/1027143
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CVE Reference:
CVE-2012-2122
(Links to External Site)
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Date: Jun 12 2012
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Impact:
User access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 5.1.61, 5.2.11, 5.3.5, 5.5.22 and prior versions
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Description:
A vulnerability was reported in MySQL. A remote user can bypass authentication.
A remote user can trigger a flaw in comparing authentication data to bypass authentication.
The vendor indicates that many builds are not affected.
Versions compiled with a memcmp() function that can return an arbitrary integer (outside of -128 .. 127 range) are affected.
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Impact:
A remote user can access the database without authenticating.
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Solution:
The vendor has issued a fix (5.1.63, 5.5.24, 5.6.6).
The vendor's advisories are available at:
http://bugs.mysql.com/bug.php?id=64884
http://dev.mysql.com/doc/refman/5.1/en/news-5-1-63.html
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Vendor URL: www.mysql.com/ (Links to External Site)
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Cause:
Authentication error
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Underlying OS:
Linux (Any), UNIX (Any), Windows (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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