Executive Summary

Summary
Title Exim: Remote command execution
Informations
Name GLSA-201906-01 First vendor Publication 2019-06-06
Vendor Gentoo Last vendor Modification 2019-06-06
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

Synopsis

A vulnerability in Exim could allow a remote attacker to execute arbitrary commands.

Background

Exim is a message transfer agent (MTA) designed to be a a highly configurable, drop-in replacement for sendmail.

Description

A vulnerability was discovered in how Exim validates recipient addresses in the deliver_message() function.

Impact

A remote attacker could execute arbitrary commands by sending an email with a specially crafted recipient address to the affected system.

Workaround

There is no known workaround at this time.

Resolution

All Exim users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-mta/exim-4.92"

References

[ 1 ] CVE-2019-10149 : https://nvd.nist.gov/vuln/detail/CVE-2019-10149

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/201906-01

Original Source

Url : http://security.gentoo.org/glsa/glsa-201906-01.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
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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0
Date Informations
2019-06-06 21:18:50
  • First insertion