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This script is Copyright (C) 2012-2014 Tenable Network Security, Inc.
The remote Red Hat host is missing one or more security updates.
Updated busybox packages that fix two security issues and two bugs are
now available for Red Hat Enterprise Linux 5.
The Red Hat Security Response Team has rated this update as having low
security impact. Common Vulnerability Scoring System (CVSS) base
scores, which give detailed severity ratings, are available for each
vulnerability from the CVE links in the References section.
BusyBox provides a single binary that includes versions of a large
number of system commands, including a shell. This can be very useful
for recovering from certain types of system failures, particularly
those involving broken shared libraries.
A buffer underflow flaw was found in the way the uncompress utility of
BusyBox expanded certain archive files compressed using Lempel-Ziv
compression. If a user were tricked into expanding a specially crafted
archive file with uncompress, it could cause BusyBox to crash or,
potentially, execute arbitrary code with the privileges of the user
running BusyBox. (CVE-2006-1168)
The BusyBox DHCP client, udhcpc, did not sufficiently sanitize certain
options provided in DHCP server replies, such as the client hostname.
A malicious DHCP server could send such an option with a specially
crafted value to a DHCP client. If this option's value was saved on
the client system, and then later insecurely evaluated by a process
that assumes the option is trusted, it could lead to arbitrary code
execution with the privileges of that process. Note: udhcpc is not
used on Red Hat Enterprise Linux by default, and no DHCP client script
is provided with the busybox packages. (CVE-2011-2716)
This update also fixes the following bugs :
* Prior to this update, the cp command wrongly returned the exit code
0 to indicate success if a device ran out of space while attempting to
copy files of more than 4 gigabytes. This update modifies BusyBox, so
that in such situations, the exit code 1 is returned. Now, the cp
command shows correctly whether a process failed. (BZ#689659)
* Prior to this update, the findfs command failed to check all
existing block devices on a system with thousands of block device
nodes in '/dev/'. This update modifies BusyBox so that findfs checks
all block devices even in this case. (BZ#756723)
All users of busybox are advised to upgrade to these updated packages,
which correct these issues.
See also :
Update the affected busybox and / or busybox-anaconda packages.
Risk factor :
High / CVSS Base Score : 7.5
CVSS Temporal Score : 6.5
Public Exploit Available : true
Family: Red Hat Local Security Checks
Nessus Plugin ID: 58062 ()
Bugtraq ID: 1945548879
CVE ID: CVE-2006-1168CVE-2011-2716
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