ESB-2018.1583.2 - UPDATE [Ubuntu] procps: Multiple vulnerabilities 2018-06-07

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             AUSCERT External Security Bulletin Redistribution

                              ESB-2018.1583.2
                         procps-ng vulnerabilities
                                7 June 2018

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

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

Product:           procps
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
                   Increased Privileges            -- Existing Account
                   Denial of Service               -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1126 CVE-2018-1125 CVE-2018-1124
                   CVE-2018-1123 CVE-2018-1122 

Reference:         ESB-2018.1579
                   ESB-2018.1578
                   ESB-2018.1562

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3658-1
   http://www.ubuntu.com/usn/usn-3658-2

Comment: This bulletin contains two (2) Ubuntu security advisories.

Revision History:  June  7 2018: Updated for 12.04 ESM
                   May  24 2018: Initial Release

- --------------------------BEGIN INCLUDED TEXT--------------------

==========================================================================
Ubuntu Security Notice USN-3658-1
May 23, 2018

procps vulnerabilities
==========================================================================

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

- - Ubuntu 18.04 LTS
- - Ubuntu 17.10
- - Ubuntu 16.04 LTS
- - Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in procps-ng.

Software Description:
- - procps: /proc file system utilities

Details:

It was discovered that the procps-ng top utility incorrectly read its
configuration file from the current working directory. A local attacker
could possibly use this issue to escalate privileges. (CVE-2018-1122)

It was discovered that the procps-ng ps tool incorrectly handled memory. A
local user could possibly use this issue to cause a denial of service.
(CVE-2018-1123)

It was discovered that libprocps incorrectly handled the file2strvec()
function. A local attacker could possibly use this to execute arbitrary
code. (CVE-2018-1124)

It was discovered that the procps-ng pgrep utility incorrectly handled
memory. A local attacker could possibly use this issue to cause de denial
of service. (CVE-2018-1125)

It was discovered that procps-ng incorrectly handled memory. A local
attacker could use this issue to cause a denial of service, or possibly
execute arbitrary code. (CVE-2018-1126)

Update instructions:

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

Ubuntu 18.04 LTS:
  libprocps6                      2:3.3.12-3ubuntu1.1
  procps                          2:3.3.12-3ubuntu1.1

Ubuntu 17.10:
  libprocps6                      2:3.3.12-1ubuntu2.1
  procps                          2:3.3.12-1ubuntu2.1

Ubuntu 16.04 LTS:
  libprocps4                      2:3.3.10-4ubuntu2.4
  procps                          2:3.3.10-4ubuntu2.4

Ubuntu 14.04 LTS:
  libprocps3                      1:3.3.9-1ubuntu2.3
  procps                          1:3.3.9-1ubuntu2.3

In general, a standard system update will make all the necessary changes.

References:
  https://usn.ubuntu.com/usn/usn-3658-1
  CVE-2018-1122, CVE-2018-1123, CVE-2018-1124, CVE-2018-1125,
  CVE-2018-1126

Package Information:
  https://launchpad.net/ubuntu/+source/procps/2:3.3.12-3ubuntu1.1
  https://launchpad.net/ubuntu/+source/procps/2:3.3.12-1ubuntu2.1
  https://launchpad.net/ubuntu/+source/procps/2:3.3.10-4ubuntu2.4
  https://launchpad.net/ubuntu/+source/procps/1:3.3.9-1ubuntu2.3

- -------------------------------------------------------------------------------

==========================================================================
Ubuntu Security Notice USN-3658-2
June 05, 2018

procps vulnerabilities
==========================================================================

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

- - Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in procps-ng.

Software Description:
- - procps: /proc file system utilities

Details:

USN-3658-1 fixed a vulnerability in procps-ng. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 It was discovered that libprocps incorrectly handled the file2strvec()
 function. A local attacker could possibly use this to execute
 arbitrary code. (CVE-2018-1124)

 It was discovered that procps-ng incorrectly handled memory. A local
 attacker could use this issue to cause a denial of service, or
 possibly execute arbitrary code. (CVE-2018-1126)

Update instructions:

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

Ubuntu 12.04 ESM:
  procps                          1:3.2.8-11ubuntu6.5

In general, a standard system update will make all the necessary
changes.

References:
  https://usn.ubuntu.com/usn/usn-3658-2
  https://usn.ubuntu.com/usn/usn-3658-1
  CVE-2018-1124, CVE-2018-1126

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