Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title Ruby vulnerability
Informations
Name USN-3515-1 First vendor Publication 2018-01-04
Vendor Ubuntu Last vendor Modification 2018-01-04
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:M/Au:N/C:C/I:C/A:C)
Cvss Base Score 9.3 Attack Range Network
Cvss Impact Score 10 Attack Complexity Medium
Cvss Expoit Score 8.6 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:

Ruby could be made to execute arbitrary commands if opened a specially crafted file.

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

Details:

It was discovered that Ruby allows FTP command injection. An attacker could use this to cause arbitrary command execution.

Update instructions:

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

Ubuntu 17.10: 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 2.3.3-1ubuntu1.1 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 2.3.3-1ubuntu1.1

Ubuntu 17.04: 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 2.3.3-1ubuntu0.3 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 2.3.3-1ubuntu0.3

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 2.3.1-2~16.04.4 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 2.3.1-2~16.04.4

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 1.9.3.484-2ubuntu1.6 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 2.0.0.484-1ubuntu2.5 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 1.9.3.484-2ubuntu1.6 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 1.9.3.484-2ubuntu1.6 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 2.0.0.484-1ubuntu2.5

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

References: ﾃつ https://www.ubuntu.com/usn/usn-3515-1 ﾃつ CVE-2017-17405

Package Information: ﾃつ https://launchpad.net/ubuntu/+source/ruby2.3/2.3.3-1ubuntu1.1 ﾃつ https://launchpad.net/ubuntu/+source/ruby2.3/2.3.3-1ubuntu0.3 ﾃつ https://launchpad.net/ubuntu/+source/ruby2.3/2.3.1-2~16.04.4 ﾃつ https://launchpad.net/ubuntu/+source/ruby1.9.1/1.9.3.484-2ubuntu1.6 ﾃつ https://launchpad.net/ubuntu/+source/ruby2.0/2.0.0.484-1ubuntu2.5

Original Source

Url : http://www.ubuntu.com/usn/USN-3515-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-78 Improper Sanitization of Special Elements used in an OS Command ('OS Command Injection') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1044
Os 3
Os 1
Os 1
Os 2
Os 3
Os 2
Os 1

Snortﾂｮ IPS/IDS

Date Description
2018-06-26 Ruby Net FTP library command injection attempt
RuleID : 46791 - Revision : 2 - Type : SERVER-WEBAPP

Nessusﾂｮ Vulnerability Scanner

Date Description
2018-10-31 Name : The remote host is missing a macOS or Mac OS X security update that fixes mul...
File : macosx_SecUpd2018-005.nasl - Type : ACT_GATHER_INFO
2018-09-18 Name : The remote EulerOS Virtualization host is missing multiple security updates.
File : EulerOS_SA-2018-1248.nasl - Type : ACT_GATHER_INFO
2018-08-17 Name : The remote PhotonOS host is missing multiple security updates.
File : PhotonOS_PHSA-2018-1_0-0098-a.nasl - Type : ACT_GATHER_INFO
2018-08-02 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4259.nasl - Type : ACT_GATHER_INFO
2018-07-24 Name : The remote PhotonOS host is missing multiple security updates.
File : PhotonOS_PHSA-2018-2_0-0011-a.nasl - Type : ACT_GATHER_INFO
2018-07-17 Name : The remote host is missing a macOS or Mac OS X security update that fixes mul...
File : macosx_SecUpd2018-004.nasl - Type : ACT_GATHER_INFO
2018-07-17 Name : The remote host is missing a macOS update that fixes multiple security vulner...
File : macos_10_13_6.nasl - Type : ACT_GATHER_INFO
2018-07-16 Name : The remote Debian host is missing a security update.
File : debian_DLA-1421.nasl - Type : ACT_GATHER_INFO
2018-03-20 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2018-1067.nasl - Type : ACT_GATHER_INFO
2018-03-20 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2018-1066.nasl - Type : ACT_GATHER_INFO
2018-03-12 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2018-0378.nasl - Type : ACT_GATHER_INFO
2018-02-20 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201802-05.nasl - Type : ACT_GATHER_INFO
2018-01-29 Name : The remote EulerOS host is missing a security update.
File : EulerOS_SA-2018-1030.nasl - Type : ACT_GATHER_INFO
2018-01-29 Name : The remote EulerOS host is missing a security update.
File : EulerOS_SA-2018-1029.nasl - Type : ACT_GATHER_INFO
2017-12-26 Name : The remote Debian host is missing a security update.
File : debian_DLA-1222.nasl - Type : ACT_GATHER_INFO
2017-12-26 Name : The remote Debian host is missing a security update.
File : debian_DLA-1221.nasl - Type : ACT_GATHER_INFO
2017-12-20 Name : The remote Slackware host is missing a security update.
File : Slackware_SSA_2017-353-01.nasl - Type : ACT_GATHER_INFO
2017-12-19 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_dd644964e10e11e780970800271d4b9c.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2018-01-04 21:21:33
  • First insertion