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==========================================================================
Ubuntu Security Notice USN-2306-2
August 05, 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 security update cause a regression in certain environments that use
the Name Service Caching Daemon (nscd), such as those configured for LDAP
or MySQL authentication. In these environments, the nscd daemon may need
to be stopped manually for name resolution to resume working so that
updates can be downloaded, including environments configured for unattended
updates.

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                           2.11.1-0ubuntu7.15

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-2306-2
  http://www.ubuntu.com/usn/usn-2306-1
  https://launchpad.net/bugs/1352504

Package Information:
  https://launchpad.net/ubuntu/+source/eglibc/2.11.1-0ubuntu7.15



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