Executive Summary

Summary
Title Exim vulnerability
Informations
Name USN-3499-1 First vendor Publication 2017-11-29
Vendor Ubuntu Last vendor Modification 2017-11-29
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:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 17.10 - Ubuntu 17.04

Summary:

Exim could be made to crash if it received specially crafted network traffic.

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

Details:

It was discovered that Exim incorrectly handled certain BDAT data headers. A remote attacker could possibly use this issue to cause Exim to crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 17.10:
exim4-daemon-heavy 4.89-5ubuntu1.2
exim4-daemon-light 4.89-5ubuntu1.2

Ubuntu 17.04:
exim4-daemon-heavy 4.88-5ubuntu1.3
exim4-daemon-light 4.88-5ubuntu1.3

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

References:
https://www.ubuntu.com/usn/usn-3499-1
CVE-2017-16944

Package Information:
https://launchpad.net/ubuntu/+source/exim4/4.89-5ubuntu1.2
https://launchpad.net/ubuntu/+source/exim4/4.88-5ubuntu1.3

Original Source

Url : http://www.ubuntu.com/usn/USN-3499-1

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 2
Os 1

Nessus® Vulnerability Scanner

Date Description
2018-03-07 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201803-01.nasl - Type : ACT_GATHER_INFO
2018-01-15 Name : The remote Fedora host is missing a security update.
File : fedora_2017-0053bb9719.nasl - Type : ACT_GATHER_INFO
2017-12-26 Name : The remote Amazon Linux AMI host is missing a security update.
File : ala_ALAS-2017-932.nasl - Type : ACT_GATHER_INFO
2017-12-13 Name : The remote Fedora host is missing a security update.
File : fedora_2017-0032baa7d7.nasl - Type : ACT_GATHER_INFO
2017-12-01 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4053.nasl - Type : ACT_GATHER_INFO
2017-12-01 Name : The remote FreeBSD host is missing a security-related update.
File : freebsd_pkg_75dd622cd5fd11e7b9fec13eb7bcbf4f.nasl - Type : ACT_GATHER_INFO
2017-11-30 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-3499-1.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
Date Informations
2017-12-08 00:23:52
  • Multiple Updates
2017-12-01 13:23:46
  • Multiple Updates
2017-11-29 21:21:50
  • First insertion