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List: ubuntu-security-announce
Subject: [USN-3658-1] procps-ng vulnerabilities
From: Marc Deslauriers <marc.deslauriers () canonical ! com>
Date: 2018-05-23 17:03:17
Message-ID: 140cef23-315a-8400-7ac6-8fe6655c0565 () canonical ! com
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==========================================================================
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
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