==========================================================================
Ubuntu Security Notice USN-2306-3
September 08, 2014
eglibc regression
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 10.04 LTS
Summary:
USN-2306-1 introduced a regression in the GNU C Library.
Software Description:
– eglibc: GNU C Library
Details:
USN-2306-1 fixed vulnerabilities in the GNU C Library. On Ubuntu 10.04 LTS,
the fix for CVE-2013-4357 introduced a memory leak in getaddrinfo. This
update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Maksymilian Arciemowicz discovered that the GNU C Library incorrectly
handled the getaddrinfo() function. An attacker could use this issue to
cause a denial of service. This issue only affected Ubuntu 10.04 LTS.
(CVE-2013-4357)
It was discovered that the GNU C Library incorrectly handled the
getaddrinfo() function. An attacker could use this issue to cause a denial
of service. This issue only affected Ubuntu 10.04 LTS and Ubuntu 12.04 LTS.
(CVE-2013-4458)
Stephane Chazelas discovered that the GNU C Library incorrectly handled
locale environment variables. An attacker could use this issue to possibly
bypass certain restrictions such as the ForceCommand restrictions in
OpenSSH. (CVE-2014-0475)
David Reid, Glyph Lefkowitz, and Alex Gaynor discovered that the GNU C
Library incorrectly handled posix_spawn_file_actions_addopen() path
arguments. An attacker could use this issue to cause a denial of service.
(CVE-2014-4043)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 10.04 LTS:
libc6 2.11.1-0ubuntu7.17
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2306-3
http://www.ubuntu.com/usn/usn-2306-1
https://launchpad.net/bugs/1364584
Package Information:
https://launchpad.net/ubuntu/+source/eglibc/2.11.1-0ubuntu7.17
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