Executive Summary

Summary
Title Exim vulnerability
Informations
Name USN-4124-2 First vendor Publication 2019-09-16
Vendor Ubuntu Last vendor Modification 2019-09-16
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:C/I:C/A:C)
Cvss Base Score 10 Attack Range Network
Cvss Impact Score 10 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 14.04 ESM

Summary:

Exim could be made to run programs as an administrator if it received specially crafted network traffic.

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

Details:

USN-4124-1 fixed a vulnerability in Exim. This update provides the corresponding update for Ubuntu 14.04 ESM.

Original advisory 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 14.04 ESM:
exim4-daemon-heavy 4.82-3ubuntu2.4+esm1
exim4-daemon-light 4.82-3ubuntu2.4+esm1

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

References:
https://usn.ubuntu.com/4124-2
https://usn.ubuntu.com/4124-1
CVE-2019-15846

Original Source

Url : http://www.ubuntu.com/usn/USN-4124-2

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 139
Os 3

Snort® IPS/IDS

Date Description
2020-04-02 Exim unauthenticated remote code execution attempt
RuleID : 53378 - Revision : 1 - Type : SERVER-OTHER
2020-04-02 Exim unauthenticated remote code execution attempt
RuleID : 53377 - Revision : 1 - Type : SERVER-OTHER
2020-04-02 Exim unauthenticated remote code execution attempt
RuleID : 53376 - Revision : 1 - Type : SERVER-OTHER

Alert History

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0
Date Informations
2019-09-16 17:19:07
  • First insertion