Executive Summary

Summary
Title libbsd vulnerabilities
Informations
Name USN-4243-1 First vendor Publication 2020-01-20
Vendor Ubuntu Last vendor Modification 2020-01-20
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 19.04 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 ESM - Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in libbsd.

Software Description: - libbsd: utility functions from BSD systems - development files

Details:

It was discovered that libbsd incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 ESM. (CVE-2016-2090)

It was discovered that libbsd incorrectly handled certain strings. An attacker could possibly use this issue to access sensitive information. (CVE-2019-20367)

Update instructions:

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

Ubuntu 19.04:
libbsd0 0.9.1-2ubuntu0.1

Ubuntu 18.04 LTS:
libbsd0 0.8.7-1ubuntu0.1

Ubuntu 16.04 LTS:
libbsd0 0.8.2-1ubuntu0.1

Ubuntu 14.04 ESM:
libbsd0 0.6.0-2ubuntu1+esm1

Ubuntu 12.04 ESM:
libbsd0 0.3.0-2ubuntu0.1

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

References:
https://usn.ubuntu.com/4243-1
CVE-2016-2090, CVE-2019-20367

Package Information:
https://launchpad.net/ubuntu/+source/libbsd/0.9.1-2ubuntu0.1
https://launchpad.net/ubuntu/+source/libbsd/0.8.7-1ubuntu0.1
https://launchpad.net/ubuntu/+source/libbsd/0.8.2-1ubuntu0.1

Original Source

Url : http://www.ubuntu.com/usn/USN-4243-1

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-125 Out-of-bounds Read
50 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 6
Os 2
Os 2
Os 1

Nessus® Vulnerability Scanner

Date Description
2017-01-03 Name : The remote Fedora host is missing a security update.
File : fedora_2016-5c3d057783.nasl - Type : ACT_GATHER_INFO
2017-01-03 Name : The remote Fedora host is missing a security update.
File : fedora_2016-d3e562bb52.nasl - Type : ACT_GATHER_INFO
2016-07-21 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201607-13.nasl - Type : ACT_GATHER_INFO

Alert History

If you want to see full details history, please login or register.
0
Date Informations
2020-01-20 21:19:22
  • First insertion