1. Ubuntu Security Notices
  2. USN-3658-1

USN-3658-1: procps-ng vulnerabilities

Publication date

23 May 2018

Overview

Several security issues were fixed in procps-ng.

Releases

Packages

  • 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...

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.04 bionic libprocps6 –  2:3.3.12-3ubuntu1.1
procps –  2:3.3.12-3ubuntu1.1
17.10 artful libprocps6 –  2:3.3.12-1ubuntu2.1
procps –  2:3.3.12-1ubuntu2.1
16.04 xenial libprocps4 –  2:3.3.10-4ubuntu2.4
procps –  2:3.3.10-4ubuntu2.4
14.04 trusty libprocps3 –  1:3.3.9-1ubuntu2.3
procps –  1:3.3.9-1ubuntu2.3

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References

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