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Sicherheit: Mehrere Probleme in procps-ng
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in procps-ng
ID: USN-3658-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 17.10, Ubuntu 18.04 LTS
Datum: Mi, 23. Mai 2018, 23:50
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1125
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1124
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1126
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1123
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1122
Applikationen: procps-ng

Originalnachricht

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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <140cef23-315a-8400-7ac6-8fe6655c0565@canonical.com>
Subject: [USN-3658-1] procps-ng vulnerabilities

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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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