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List:       ubuntu-security-announce
Subject:    [USN-3658-3] procps-ng vulnerabilities
From:       "Leonidas S. Barbosa" <leo.barbosa () canonical ! com>
Date:       2018-08-16 17:43:26
Message-ID: 1534441406.26679.13.camel () canonical ! com
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==========================================================================
Ubuntu Security Notice USN-3658-3
August 16, 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 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 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)

Update instructions:

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

Ubuntu 12.04 ESM:
   procps                                                    1:3.2.8-11ubuntu6.6

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

References:
   https://usn.ubuntu.com/usn/usn-3658-3
   https://usn.ubuntu.com/usn/usn-3658-1
   CVE-2018-1122, CVE-2018-1123, CVE-2018-1125
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