Executive Summary

Summary
Title Exim vulnerability
Informations
Name USN-3164-1 First vendor Publication 2017-01-05
Vendor Ubuntu Last vendor Modification 2017-01-05
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:H/Au:N/C:P/I:N/A:N)
Cvss Base Score 2.6 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity High
Cvss Expoit Score 4.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 16.10 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS

Summary:

Exim could be made to expose private DKIM signing keys.

Software Description: - exim4: Exim is a mail transport agent

Details:

Bjoern Jacke discovered that Exim incorrectly handled DKIM keys. In certain configurations, private DKIM signing keys could be leaked to the log files.

Update instructions:

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

Ubuntu 16.10:
exim4-daemon-heavy 4.87-3ubuntu1.1
exim4-daemon-light 4.87-3ubuntu1.1

Ubuntu 16.04 LTS:
exim4-daemon-heavy 4.86.2-2ubuntu2.1
exim4-daemon-light 4.86.2-2ubuntu2.1

Ubuntu 14.04 LTS:
exim4-daemon-heavy 4.82-3ubuntu2.2
exim4-daemon-light 4.82-3ubuntu2.2

Ubuntu 12.04 LTS:
exim4-daemon-heavy 4.76-3ubuntu3.4
exim4-daemon-light 4.76-3ubuntu3.4

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

References:
http://www.ubuntu.com/usn/usn-3164-1
CVE-2016-9963

Package Information:
https://launchpad.net/ubuntu/+source/exim4/4.87-3ubuntu1.1
https://launchpad.net/ubuntu/+source/exim4/4.86.2-2ubuntu2.1
https://launchpad.net/ubuntu/+source/exim4/4.82-3ubuntu2.2
https://launchpad.net/ubuntu/+source/exim4/4.76-3ubuntu3.4

Original Source

Url : http://www.ubuntu.com/usn/USN-3164-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-320 Key Management Errors

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 99
Os 4
Os 1

Nessus® Vulnerability Scanner

Date Description
2017-08-30 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2017-980.nasl - Type : ACT_GATHER_INFO
2017-03-07 Name : The remote Amazon Linux AMI host is missing a security update.
File : ala_ALAS-2017-804.nasl - Type : ACT_GATHER_INFO
2017-01-06 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-3164-1.nasl - Type : ACT_GATHER_INFO
2016-12-27 Name : The remote Debian host is missing a security update.
File : debian_DLA-762.nasl - Type : ACT_GATHER_INFO
2016-12-27 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-3747.nasl - Type : ACT_GATHER_INFO
2016-12-27 Name : The remote FreeBSD host is missing a security-related update.
File : freebsd_pkg_e7002b26caaa11e6a76a9f7324e5534e.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2019-01-08 00:18:53
  • First insertion