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Category:   OS (UNIX)  >   Solaris Vendors:   Sun
Solaris Kernel Lets Local Users Establish Covert Channels
SecurityTracker Alert ID:  1020780
SecurityTracker URL:
CVE Reference:   CVE-2008-3875   (Links to External Site)
Updated:  Sep 17 2008
Original Entry Date:  Aug 28 2008
Impact:   Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 8, 9, 10, OpenSolaris
Description:   A vulnerability was reported in Solaris. Two local users can bypass security restrictions to establish a covert channel.

Two local users can exploit flaws in Solaris kernel system calls to bypass the Solaris Trusted Extensions multi-level security policy or the isolation policy implemented using zones(5) or chroot(2) to establish a covert communications channel.

Impact:   Two local users can establish a covert channel.
Solution:   The vendor has issued the following fixes.

SPARC Platform

* Solaris 8 with patch 117350-56 or later
* Solaris 9 with patch 122300-30 or later
* Solaris 10 with patch 137111-05 or later
* OpenSolaris based upon builds snv_01 through snv_90 or later

x86 Platform

* Solaris 8 with patch 117351-56 or later
* Solaris 9 with patch 122301-30 or later
* Solaris 10 with patch 137112-05 or later
* OpenSolaris based upon builds snv_90 or later

The vendor's advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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