Executive Summary

Summary
Title ldns vulnerabilities
Informations
Name USN-3491-1 First vendor Publication 2017-11-22
Vendor Ubuntu Last vendor Modification 2017-11-22
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

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

- Ubuntu 17.10 - Ubuntu 17.04 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in ldns.

Software Description: - ldns: ldns library for DNS programming

Details:

Leon Weber discovered that the ldns-keygen tool incorrectly set permissions on private keys. A local attacker could possibly use this issue to obtain generated private keys. This issue only applied to Ubuntu 14.04 LTS. (CVE-2014-3209)

Stephan Zeisberg discovered that ldns incorrectly handled memory when processing data. A remote attacker could use this issue to cause ldns to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-1000231, CVE-2017-1000232)

Update instructions:

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

Ubuntu 17.10:
libldns2 1.7.0-1ubuntu1.17.10.1

Ubuntu 17.04:
libldns2 1.7.0-1ubuntu1.17.04.1

Ubuntu 16.04 LTS:
libldns1 1.6.17-8ubuntu0.1

Ubuntu 14.04 LTS:
libldns1 1.6.17-1ubuntu0.1

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

References:
https://www.ubuntu.com/usn/usn-3491-1
CVE-2014-3209, CVE-2017-1000231, CVE-2017-1000232

Package Information:
https://launchpad.net/ubuntu/+source/ldns/1.7.0-1ubuntu1.17.10.1
https://launchpad.net/ubuntu/+source/ldns/1.7.0-1ubuntu1.17.04.1
https://launchpad.net/ubuntu/+source/ldns/1.6.17-8ubuntu0.1
https://launchpad.net/ubuntu/+source/ldns/1.6.17-1ubuntu0.1

Original Source

Url : http://www.ubuntu.com/usn/USN-3491-1

CWE : Common Weakness Enumeration

% Id Name
67 % CWE-415 Double Free
33 % CWE-264 Permissions, Privileges, and Access Controls

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 13

Nessus® Vulnerability Scanner

Date Description
2018-09-18 Name : The remote EulerOS Virtualization host is missing a security update.
File : EulerOS_SA-2018-1231.nasl - Type : ACT_GATHER_INFO
2017-12-18 Name : The remote EulerOS host is missing a security update.
File : EulerOS_SA-2017-1336.nasl - Type : ACT_GATHER_INFO
2017-12-18 Name : The remote EulerOS host is missing a security update.
File : EulerOS_SA-2017-1337.nasl - Type : ACT_GATHER_INFO
2017-11-27 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-3491-1.nasl - Type : ACT_GATHER_INFO
2017-11-21 Name : The remote Debian host is missing a security update.
File : debian_DLA-1182.nasl - Type : ACT_GATHER_INFO
2014-05-13 Name : The remote Mandriva Linux host is missing one or more security updates.
File : mandriva_MDVSA-2014-085.nasl - Type : ACT_GATHER_INFO

Alert History

If you want to see full details history, please login or register.
0
1
2
Date Informations
2017-11-30 00:22:29
  • Multiple Updates
2017-11-28 13:23:45
  • Multiple Updates
2017-11-23 00:21:41
  • First insertion