Executive Summary

Summary
Title Dovecot vulnerability
Informations
Name USN-3556-1 First vendor Publication 2018-02-01
Vendor Ubuntu Last vendor Modification 2018-02-01
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:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 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 17.10 - Ubuntu 16.04 LTS - Ubuntu 14.04 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 certain authentications. An attacker could possibly use this to cause a denial of service.

Update instructions:

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

Ubuntu 17.10: テつ dovecot-coreテつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ 1:2.2.27-3ubuntu1.2

Ubuntu 16.04 LTS: テつ dovecot-coreテつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ 1:2.2.22-1ubuntu2.6

Ubuntu 14.04 LTS: テつ dovecot-coreテつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ 1:2.2.9-1ubuntu2.3

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

References: テつ https://www.ubuntu.com/usn/usn-3556-1 テつ CVE-2017-15132

Package Information: テつ https://launchpad.net/ubuntu/+source/dovecot/1:2.2.27-3ubuntu1.2 テつ https://launchpad.net/ubuntu/+source/dovecot/1:2.2.22-1ubuntu2.6 テつ https://launchpad.net/ubuntu/+source/dovecot/1:2.2.9-1ubuntu2.3

Original Source

Url : http://www.ubuntu.com/usn/USN-3556-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-772 Missing Release of Resource after Effective Lifetime

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 139
Os 4
Os 3

Nessusツョ Vulnerability Scanner

Date Description
2018-04-02 Name : The remote Debian host is missing a security update.
File : debian_DLA-1333.nasl - Type : ACT_GATHER_INFO
2018-03-20 Name : The remote EulerOS host is missing a security update.
File : EulerOS_SA-2018-1056.nasl - Type : ACT_GATHER_INFO
2018-03-20 Name : The remote EulerOS host is missing a security update.
File : EulerOS_SA-2018-1057.nasl - Type : ACT_GATHER_INFO
2018-03-05 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4130.nasl - Type : ACT_GATHER_INFO
2018-01-29 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_92b8b284a3a241b1956cf9cf8b74f500.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
Date Informations
2018-02-12 21:22:28
  • Multiple Updates
2018-02-02 00:22:07
  • Multiple Updates
2018-02-02 00:19:58
  • First insertion