Executive Summary

Title exim4 security update
Name DSA-4456 First vendor Publication 2019-06-05
Vendor Debian Last vendor Modification 2019-06-05
Severity (Vendor) N/A Revision 1

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


The Qualys Research Labs reported a flaw in Exim, a mail transport agent. Improper validation of the recipient address in the deliver_message() function may result in the execution of arbitrary commands.

For the stable distribution (stretch), this problem has been fixed in version 4.89-2+deb9u4.

We recommend that you upgrade your exim4 packages.

For the detailed security status of exim4 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/exim4

Original Source

Url : http://www.debian.org/security/2019/dsa-4456

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

Application 131

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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Date Informations
2019-06-05 21:21:57
  • Multiple Updates
2019-06-05 21:18:34
  • First insertion