Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title Exim vulnerability
Informations
Name USN-4010-1 First vendor Publication 2019-06-05
Vendor Ubuntu Last vendor Modification 2019-06-05
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:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 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 18.10 - Ubuntu 18.04 LTS

Summary:

Exim could be made to run commands 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 decoding operations. A remote attacker could possibly use this issue to execute arbitrary commands.

Update instructions:

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

Ubuntu 18.10:
exim4-daemon-heavy 4.91-6ubuntu1.1
exim4-daemon-light 4.91-6ubuntu1.1

Ubuntu 18.04 LTS:
exim4-daemon-heavy 4.90.1-1ubuntu1.2
exim4-daemon-light 4.90.1-1ubuntu1.2

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

References:
https://usn.ubuntu.com/4010-1
CVE-2019-10149

Package Information:
https://launchpad.net/ubuntu/+source/exim4/4.91-6ubuntu1.1
https://launchpad.net/ubuntu/+source/exim4/4.90.1-1ubuntu1.2

Original Source

Url : http://www.ubuntu.com/usn/USN-4010-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-78 Improper Sanitization of Special Elements used in an OS Command ('OS Command Injection') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 132
Os 2
Os 1

Snort® IPS/IDS

Date Description
2019-07-09 Exim remote command execution attempt
RuleID : 50356 - Revision : 1 - Type : SERVER-MAIL

Alert History

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0
Date Informations
2020-03-19 13:20:11
  • First insertion