ESB-2017.1532.2 - UPDATE [Ubuntu] libc6: Increased privileges - Existing account 2017-06-30

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                              ESB-2017.1532.2
                        GNU C Library vulnerability
                               30 June 2017

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           libc6
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Increased Privileges -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-1000366  

Reference:         ESB-2017.1520
                   ESB-2017.1527

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3323-1
   http://www.ubuntu.com/usn/usn-3323-2

Revision History:  June 30 2017: Update to include Ubuntu 12.04 ESM
                   June 20 2017: Initial Release

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==========================================================================
Ubuntu Security Notice USN-3323-2
June 29, 2017

eglibc vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- - Ubuntu 12.04 ESM

Summary:

Gnu C library could be made to run programs as an administrator.

Software Description:
- - eglibc: GNU C Library

Details:

USN-3323-1 fixed a vulnerability in the GNU C Library. This update provides the
corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 It was discovered that the GNU C library did not properly handle memory
 when processing environment variables for setuid programs. A local attacker
 could use this in combination with another vulnerability to gain
 administrative privileges.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 12.04 ESM:
  libc6                           2.15-0ubuntu10.20

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

References:
  https://www.ubuntu.com/usn/usn-3323-2
  https://www.ubuntu.com/usn/usn-3323-1
  CVE-2017-1000366

==========================================================================
Ubuntu Security Notice USN-3323-1
June 19, 2017

eglibc, glibc vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- - Ubuntu 17.04
- - Ubuntu 16.10
- - Ubuntu 16.04 LTS
- - Ubuntu 14.04 LTS

Summary:

Gnu C library could be made to run programs as an administrator.

Software Description:
- - glibc: GNU C Library
- - eglibc: GNU C Library

Details:

It was discovered that the GNU C library did not properly handle memory
when processing environment variables for setuid programs. A local attacker
could use this in combination with another vulnerability to gain
administrative privileges.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 17.04:
  libc6                           2.24-9ubuntu2.2

Ubuntu 16.10:
  libc6                           2.24-3ubuntu2.2

Ubuntu 16.04 LTS:
  libc6                           2.23-0ubuntu9

Ubuntu 14.04 LTS:
  libc6                           2.19-0ubuntu6.13

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

References:
  https://www.ubuntu.com/usn/usn-3323-1
  CVE-2017-1000366

Package Information:
  https://launchpad.net/ubuntu/+source/glibc/2.24-9ubuntu2.2
  https://launchpad.net/ubuntu/+source/glibc/2.24-3ubuntu2.2
  https://launchpad.net/ubuntu/+source/glibc/2.23-0ubuntu9
  https://launchpad.net/ubuntu/+source/eglibc/2.19-0ubuntu6.13

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