Executive Summary

Summary
Title Ruby vulnerabilities
Informations
Name USN-3808-1 First vendor Publication 2018-11-05
Vendor Ubuntu Last vendor Modification 2018-11-05
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 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Ruby.

Software Description: - ruby2.5: Interpreter of object-oriented scripting language Ruby - ruby2.3: Object-oriented scripting language - ruby1.9.1: Object-oriented scripting language - ruby2.0: Object-oriented scripting language

Details:

It was discovered that Ruby incorrectly handled certain X.509 certificates. An attacker could possibly use this issue to bypass the certificate check. (CVE-2018-16395)

It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2018-16396)

Update instructions:

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

Ubuntu 18.10: ﾃつ libruby2.5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 ﾃつ ﾃつ 2.5.1-5ubuntu4.1 ﾃつ ruby2.5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 ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 2.5.1-5ubuntu4.1

Ubuntu 18.04 LTS: ﾃつ libruby2.5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 ﾃつ ﾃつ 2.5.1-1ubuntu1.1 ﾃつ ruby2.5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 ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 2.5.1-1ubuntu1.1

Ubuntu 16.04 LTS: ﾃつ libruby2.3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 ﾃつ ﾃつ 2.3.1-2~16.04.11 ﾃつ ruby2.3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 ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 2.3.1-2~16.04.11

Ubuntu 14.04 LTS: ﾃつ libruby1.9.1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 1.9.3.484-2ubuntu1.13 ﾃつ libruby2.0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 ﾃつ ﾃつ 2.0.0.484-1ubuntu2.11 ﾃつ ruby1.9.1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 ﾃつ ﾃつ ﾃつ 1.9.3.484-2ubuntu1.13 ﾃつ ruby1.9.3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 ﾃつ ﾃつ ﾃつ 1.9.3.484-2ubuntu1.13 ﾃつ ruby2.0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 ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 2.0.0.484-1ubuntu2.11

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

References: ﾃつ https://usn.ubuntu.com/usn/usn-3808-1 ﾃつ CVE-2018-16395, CVE-2018-16396

Package Information: ﾃつ https://launchpad.net/ubuntu/+source/ruby2.5/2.5.1-5ubuntu4.1 ﾃつ https://launchpad.net/ubuntu/+source/ruby2.5/2.5.1-1ubuntu1.1 ﾃつ https://launchpad.net/ubuntu/+source/ruby2.3/2.3.1-2~16.04.11 ﾃつ https://launchpad.net/ubuntu/+source/ruby1.9.1/1.9.3.484-2ubuntu1.13 ﾃつ https://launchpad.net/ubuntu/+source/ruby2.0/2.0.0.484-1ubuntu2.11

Original Source

Url : http://www.ubuntu.com/usn/USN-3808-1

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1050
Os 4
Os 2
Os 5

Nessusﾂｮ Vulnerability Scanner

Date Description
2019-01-10 Name : The remote Amazon Linux 2 host is missing a security update.
File : al2_ALAS-2019-1143.nasl - Type : ACT_GATHER_INFO
2019-01-03 Name : The remote Fedora host is missing a security update.
File : fedora_2018-319b9d0f68.nasl - Type : ACT_GATHER_INFO
2019-01-03 Name : The remote Fedora host is missing a security update.
File : fedora_2018-6070bcf454.nasl - Type : ACT_GATHER_INFO
2018-12-14 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2018-3738.nasl - Type : ACT_GATHER_INFO
2018-12-07 Name : The remote Amazon Linux AMI host is missing a security update.
File : ala_ALAS-2018-1113.nasl - Type : ACT_GATHER_INFO
2018-11-23 Name : The remote Fedora host is missing a security update.
File : fedora_2018-190ecd2ef8.nasl - Type : ACT_GATHER_INFO
2018-11-05 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4332.nasl - Type : ACT_GATHER_INFO
2018-10-29 Name : The remote Debian host is missing a security update.
File : debian_DLA-1558.nasl - Type : ACT_GATHER_INFO
2018-10-22 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_afc604840652440eb01a5ef814747f06.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
Date Informations
2018-12-17 21:22:00
  • Multiple Updates
2018-11-17 17:21:05
  • Multiple Updates
2018-11-06 05:17:31
  • First insertion