Executive Summary

Summary
Title Dovecot vulnerability
Informations
Name USN-3258-1 First vendor Publication 2017-04-10
Vendor Ubuntu Last vendor Modification 2017-04-10
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
 
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Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 16.10 - Ubuntu 16.04 LTS

Summary:

Dovecot could be made to crash if it received specially crafted input.

Software Description: - dovecot: IMAP and POP3 email server

Details:

It was discovered that Dovecot incorrectly handled some usernames. An attacker could possibly use this issue to cause Dovecot to hang or crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 16.10:
dovecot-core 1:2.2.24-1ubuntu1.2

Ubuntu 16.04 LTS:
dovecot-core 1:2.2.22-1ubuntu2.3

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

References:
http://www.ubuntu.com/usn/usn-3258-1
CVE-2017-2669

Package Information:
https://launchpad.net/ubuntu/+source/dovecot/1:2.2.24-1ubuntu1.2
https://launchpad.net/ubuntu/+source/dovecot/1:2.2.22-1ubuntu2.3

Original Source

Url : http://www.ubuntu.com/usn/USN-3258-1

Alert History

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0
1
Date Informations
2017-04-13 13:21:49
  • Multiple Updates
2017-04-11 05:20:55
  • First insertion