Scientific Linux alert SLSA-2014:1801-1 (shim)

From:
    	     
 
Connie Sieh <csieh@fnal.gov> 
To:
    	     
 
<scientific-linux-errata@listserv.fnal.gov> 
Subject:
    	     
 
Security ERRATA Moderate: shim on SL7.x x86_64 
Date:
    	     
 
Tue, 10 Feb 2015 21:57:39 +0000
Message-ID:
    	     
 
<20150210215739.6327.94104@slpackages.fnal.gov>
Synopsis:          Moderate: shim security update
Advisory ID:       SLSA-2014:1801-1
Issue Date:        2014-11-04
CVE Numbers:       CVE-2014-3675
                   CVE-2014-3676
                   CVE-2014-3677
--

A heap-based buffer overflow flaw was found the way shim parsed certain
IPv6 addresses. If IPv6 network booting was enabled, a malicious server
could supply a crafted IPv6 address that would cause shim to crash or,
potentially, execute arbitrary code. (CVE-2014-3676)

An out-of-bounds memory write flaw was found in the way shim processed
certain Machine Owner Keys (MOKs). A local attacker could potentially use
this flaw to execute arbitrary code on the system. (CVE-2014-3677)

An out-of-bounds memory read flaw was found in the way shim parsed certain
IPv6 packets. A specially crafted DHCPv6 packet could possibly cause shim
to crash, preventing the system from booting if IPv6 booting was enabled.
(CVE-2014-3675)

The system must be rebooted for this update to take effect.
--

SL7
  x86_64
    mokutil-0.7-8.sl7_0.x86_64.rpm
    shim-0.7-8.sl7_0.x86_64.rpm
    shim-debuginfo-0.7-8.sl7_0.x86_64.rpm
    shim-unsigned-0.7-8.sl7_0.x86_64.rpm

- Scientific Linux Development Team