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 security update
Informations
Name RHSA-2020:0663 First vendor Publication 2020-03-03
Vendor RedHat Last vendor Modification 2020-03-03
Severity (Vendor) N/A Revision 01

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

Problem Description:

An update for ruby is now available for Red Hat Enterprise Linux 7.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - noarch, x86_64 Red Hat Enterprise Linux Server EUS (v. 7.6) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.6) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, noarch, ppc64le, s390x Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, noarch, ppc64le, s390x

3. Description:

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

Security Fix(es):

* ruby: DoS by large request in WEBrick (CVE-2018-8777)

* ruby: Unintentional directory traversal by poisoned NULL byte in Dir (CVE-2018-8780)

* rubygems: Path traversal when writing to a symlinked basedir outside of the root (CVE-2018-1000073)

* rubygems: Unsafe Object Deserialization Vulnerability in gem owner allowing arbitrary code execution on specially crafted YAML (CVE-2018-1000074)

* rubygems: Improper verification of signatures in tarball allows to install mis-signed gem (CVE-2018-1000076)

* rubygems: Missing URL validation on spec home attribute allows malicious gem to set an invalid homepage URL (CVE-2018-1000077)

* rubygems: XSS vulnerability in homepage attribute when displayed via gem server (CVE-2018-1000078)

* rubygems: Path traversal issue during gem installation allows to write to arbitrary filesystem locations (CVE-2018-1000079)

* rubygems: Infinite loop vulnerability due to negative size in tar header causes Denial of Service (CVE-2018-1000075)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

4. Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1547418 - CVE-2018-1000073 rubygems: Path traversal when writing to a symlinked basedir outside of the root 1547419 - CVE-2018-1000074 rubygems: Unsafe Object Deserialization Vulnerability in gem owner allowing arbitrary code execution on specially crafted YAML 1547420 - CVE-2018-1000075 rubygems: Infinite loop vulnerability due to negative size in tar header causes Denial of Service 1547421 - CVE-2018-1000076 rubygems: Improper verification of signatures in tarball allows to install mis-signed gem 1547422 - CVE-2018-1000077 rubygems: Missing URL validation on spec home attribute allows malicious gem to set an invalid homepage URL 1547425 - CVE-2018-1000078 rubygems: XSS vulnerability in homepage attribute when displayed via gem server 1547426 - CVE-2018-1000079 rubygems: Path traversal issue during gem installation allows to write to arbitrary filesystem locations 1561949 - CVE-2018-8780 ruby: Unintentional directory traversal by poisoned NULL byte in Dir 1561950 - CVE-2018-8777 ruby: DoS by large request in WEBrick

Original Source

Url : https://rhn.redhat.com/errata/RHSA-2020-0663.html

CWE : Common Weakness Enumeration

% Id Name
25 % CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE/SANS Top 25)
12 % CWE-502 Deserialization of Untrusted Data
12 % CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
12 % CWE-347 Improper Verification of Cryptographic Signature
12 % CWE-79 Failure to Preserve Web Page Structure ('Cross-site Scripting') (CWE/SANS Top 25)
12 % CWE-59 Improper Link Resolution Before File Access ('Link Following')
12 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1048
Application 87
Os 3
Os 3
Os 5

Nessus® Vulnerability Scanner

Date Description
2019-01-03 Name : The remote Fedora host is missing a security update.
File : fedora_2018-dd8162c004.nasl - Type : ACT_GATHER_INFO
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
2018-10-26 Name : The remote EulerOS Virtualization host is missing a security update.
File : EulerOS_SA-2018-1347.nasl - Type : ACT_GATHER_INFO
2018-09-18 Name : The remote EulerOS Virtualization host is missing multiple security updates.
File : EulerOS_SA-2018-1275.nasl - Type : ACT_GATHER_INFO
2018-08-29 Name : The remote Debian host is missing a security update.
File : debian_DLA-1480.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
2018-07-17 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
2018-07-03 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2018-1207.nasl - Type : ACT_GATHER_INFO
2018-07-03 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2018-1206.nasl - Type : ACT_GATHER_INFO
2018-06-11 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4219.nasl - Type : ACT_GATHER_INFO
2018-06-07 Name : The remote Fedora host is missing a security update.
File : fedora_2018-a459acd54b.nasl - Type : ACT_GATHER_INFO
2018-05-29 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2018-1143.nasl - Type : ACT_GATHER_INFO
2018-05-02 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2018-1108.nasl - Type : ACT_GATHER_INFO
2018-04-24 Name : The remote Debian host is missing a security update.
File : debian_DLA-1359.nasl - Type : ACT_GATHER_INFO
2018-04-24 Name : The remote Debian host is missing a security update.
File : debian_DLA-1358.nasl - Type : ACT_GATHER_INFO
2018-04-18 Name : The remote Debian host is missing a security update.
File : debian_DLA-1352.nasl - Type : ACT_GATHER_INFO
2018-04-18 Name : The remote Amazon Linux 2 host is missing a security update.
File : al2_ALAS-2018-983.nasl - Type : ACT_GATHER_INFO
2018-04-06 Name : The remote Amazon Linux AMI host is missing a security update.
File : ala_ALAS-2018-983.nasl - Type : ACT_GATHER_INFO
2018-04-03 Name : The remote Debian host is missing a security update.
File : debian_DLA-1337.nasl - Type : ACT_GATHER_INFO
2018-04-02 Name : The remote Debian host is missing a security update.
File : debian_DLA-1336.nasl - Type : ACT_GATHER_INFO
2018-03-30 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_eb69bcf218ef4aa2bb0c83b263364089.nasl - Type : ACT_GATHER_INFO
2018-03-30 Name : The remote Slackware host is missing a security update.
File : Slackware_SSA_2018-088-01.nasl - Type : ACT_GATHER_INFO
2018-03-12 Name : The remote Fedora host is missing a security update.
File : fedora_2018-1fffa787e7.nasl - Type : ACT_GATHER_INFO
2018-03-05 Name : The remote Fedora host is missing a security update.
File : fedora_2018-40ed78700c.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2020-03-19 13:20:03
  • First insertion