Scientific Linux Security Update : shim on SL7.x x86_64

This script is Copyright (C) 2015 Tenable Network Security, Inc.


Synopsis :

The remote Scientific Linux host is missing one or more security
updates.

Description :

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.

See also :

http://www.nessus.org/u?f347cc8a

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)

Family: Scientific Linux Local Security Checks

Nessus Plugin ID: 81294 ()

Bugtraq ID:

CVE ID: CVE-2014-3675
CVE-2014-3676
CVE-2014-3677

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