Linux Kernel Netlink SCM_CREDENTIALS Processing Flaw Lets Local Users Gain Elevated Privileges
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SecurityTracker Alert ID: 1027434 |
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SecurityTracker URL: http://securitytracker.com/id/1027434
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CVE Reference:
CVE-2012-3520
(Links to External Site)
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Date: Aug 23 2012
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Impact:
Modification of system information, Root access via local system, User access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Description:
A vulnerability was reported in the Linux Kernel. A local user can obtain elevated privileges on the target system.
A local user may be able to send specially crafted Netlink messages to spoof SCM_CREDENTIALS and perform actions with elevated privileges.
Pablo Neira Ayuso reported this vulnerability.
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Impact:
A local user can obtain elevated privileges on the target system.
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Solution:
The vendor has issued a source code fix, available at:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea
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Vendor URL: www.kernel.org/ (Links to External Site)
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Cause:
Access control error
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Underlying OS:
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Message History:
None.
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Source Message Contents
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Date: Thu, 23 Aug 2012 03:33:18 +0000
Subject: Linux Kernel
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=e0e3cea46d31
CVE-2012-3520
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