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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel SCTP-AUTH API Bugs Let Local Users Obtain Information and Deny Service
SecurityTracker Alert ID:  1020854
SecurityTracker URL:  http://securitytracker.com/id/1020854
CVE Reference:   CVE-2008-3792   (Links to External Site)
Date:  Sep 11 2008
Impact:   Denial of service via local system, Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.6.26.3 and prior versions
Description:   A vulnerability was reported in the Linux Kernel. A local user can cause denial of service conditions. A local user can obtain potentially sensitive information.

A local user can invoke a specially crafted SCTP_HMAC_IDENT IOCTL call to gain access to potentially sensitive information.

A local user can also invoke specially crafted SCTP-AUTH API commands to trigger several null pointer dereferences and cause a kernel panic.

The vulnerabilities reside in 'net/sctp/socket.c'.

The vendor was notified on August 20, 2008.

Tobias Klein reported this vulnerability.

The original advisory is available at:

http://www.trapkit.de/advisories/TKADV2008-007.txt

Impact:   A local user can cause denial of service conditions on the target system.

A local user can obtain potentially sensitive information.

Solution:   The vendor has issued a fixed version (2.6.26.4).

The vendor's advisory is available at:

http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.26.4

Vendor URL:  www.kernel.org/ (Links to External Site)
Cause:   Access control error, State error

Message History:   This archive entry has one or more follow-up message(s) listed below.
Oct 8 2008 (Red Hat Issues Fix) Linux Kernel SCTP-AUTH API Bugs Let Local Users Obtain Information and Deny Service
Red Hat has released a fix for Red Hat Enterprise MRG.



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