Scientific Linux Security Update : ruby on SL7.x x86_64 (20180228)

Security Fixes : - It was discovered that the Net::FTP module did not properly process filenames in combination with certain operations. A remote attacker could exploit this flaw to execute arbitrary commands by setting up a malicious FTP server and tricking a user or Ruby application into...

rubygems: Arbitrary file overwrite due to incorrect validation of specification name

It was found that rubygems did not sanitize gem names during installation of a given gem. A specially crafted gem could use this flaw to install files outside of the regular directory...

rubygems: Escape sequence in the "summary" field of gemspec

A vulnerability was found where rubygems did not properly sanitize gems' specification text. A specially crafted gem could interact with the terminal via the use of escape sequences...

Important: Red Hat Security Advisory: ruby security update

An update for ruby is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

rubygems: DNS hijacking vulnerability

A vulnerability was found where rubygems did not sanitize DNS responses when requesting the hostname of the rubygems server for a domain, via a rubygems.tcp DNS SRV query. An attacker with the ability to manipulate DNS responses could direct the gem command towards a different domain...

CVE-2018-1000073

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Directory Traversal vulnerability in installlocation function of package.rb that can result in...

CVE-2018-1000078

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Cross Site Scripting XSS vulnerability in gem server display of homepage attribute that can...

RubyGems: Delete directory using symlink when decompressing tar

In 2.7.6, the safety of symlink is confirmed with mkdirpsafe, Before that FileUtils.rmrf destination is running. Therefore, if tmp/dir is specified after tmp - /tmp, the following /tmp/dir is deleted. Proof of concept builder.rb ruby require 'rubygems/package' class GemBuiler def initialize spec,...

PT-2018-3135

Name of the Vulnerable Software and Affected Versions RubyGems versions 2.2.9 and earlier RubyGems versions 2.3.6 and earlier RubyGems versions 2.4.3 and earlier RubyGems versions 2.5.0 and earlier RubyGems prior to trunk revision 62422 Description The issue is related to the deserialization of...

PT-2018-3133

Name of the Vulnerable Software and Affected Versions RubyGems versions 2.2.9 and earlier RubyGems versions 2.3.6 and earlier RubyGems versions 2.4.3 and earlier RubyGems versions 2.5.0 and earlier RubyGems prior to trunk revision 62422 Description The issue is related to a Directory Traversal...

PT-2018-3136

Name of the Vulnerable Software and Affected Versions RubyGems versions 2.2.9 and earlier RubyGems versions 2.3.6 and earlier RubyGems versions 2.4.3 and earlier RubyGems versions 2.5.0 and earlier RubyGems prior to trunk revision 62422 Description The issue is related to a Directory Traversal...

PT-2018-1153

Name of the Vulnerable Software and Affected Versions RubyGems versions 2.2.9 and earlier RubyGems versions 2.3.6 and earlier RubyGems versions 2.4.3 and earlier RubyGems versions 2.5.0 and earlier RubyGems prior to trunk revision 62422 Description The issue is related to an Improper Verification...

Debian: Security Advisory (DLA-1112-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

RubyGems echor Plaintext Credential Local Information Disclosure Vulnerability

RubyGems echor is a Ruby-based Echo application developed by software developer Pedro Del Gallego. A local information disclosure vulnerability exists in RubyGems echor Plaintext Credential. A local attacker can exploit this vulnerability to obtain sensitive information such as credentials...

RubyGems echor 'backplane.rb' remote command injection vulnerability

RubyGems echor is a Ruby-based Echo application developed by software developer Pedro Del Gallego. A remote command injection vulnerability exists in RubyGems echor, which stems from the program failing to adequately filter user-submitted input data. An attacker could use this vulnerability to...

Fedora 27 : rubygems (2017-81cf93b7c2)

Update to RubyGems 2.6.13. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. %NASLMINLEVEL 70300 C...

The vulnerability of the rubygems package manager arises from insufficient validation of input data, allowing attackers to overwrite any file.

The vulnerability of the rubygems package manager exists due to insufficient validation of input data. Exploiting this vulnerability allows a remote attacker to overwrite any file...

MGASA-2017-0482 Updated ruby-RubyGems packages fix security vulnerabilities

An ANSI escape sequence vulnerability CVE-2017-0899. A DoS vulnerability in the query command CVE-2017-0900. A vulnerability in the gem installer that allowed a malicious gem to overwrite arbitrary files CVE-2017-0901. A DNS request hijacking vulnerability CVE-2017-0902. An unsafe object...

Updated ruby-RubyGems packages fix security vulnerabilities

An ANSI escape sequence vulnerability CVE-2017-0899. A DoS vulnerability in the query command CVE-2017-0900. A vulnerability in the gem installer that allowed a malicious gem to overwrite arbitrary files CVE-2017-0901. A DNS request hijacking vulnerability CVE-2017-0902. An unsafe object...

rubygems: No size limit in summary length of gem spec

It was found that rubygems could use an excessive amount of CPU while parsing a sufficiently long gem summary. A specially crafted gem from a gem repository could freeze gem commands attempting to parse its summary...