Moderate severity vulnerability that affects facter, hiera, mcollective-client, and puppet

Untrusted search path vulnerability in Puppet Enterprise 2.8 before 2.8.7, Puppet before 2.7.26 and 3.x before 3.6.2, Facter 1.6.x and 2.x before 2.0.2, Hiera before 1.3.4, and Mcollective before 2.5.2, when running with Ruby 1.9.1 or earlier, allows local users to gain privileges via a Trojan...

Arbitrary File Write Access in Puppet

telnet.rb in Puppet 2.7.x before 2.7.13 and Puppet Enterprise PE 1.2.x, 2.0.x, and 2.5.x before 2.5.1 allows local users to overwrite arbitrary files via a symlink attack on the NET::Telnet connection log /tmp/out.log...

Arbitrary file delete/D.O.S on Puppet Master

Directory traversal vulnerability in lib/puppet/reports/store.rb in Puppet before 2.6.17 and 2.7.x before 2.7.18, and Puppet Enterprise before 2.5.2, when Delete is enabled in auth.conf, allows remote authenticated users to delete arbitrary files on the puppet master server via a .. dot dot in a...

Unsafe Object Deserialization Vulnerability in RubyGems

There is a possible unsafe object deserialization vulnerability in RubyGems. It is possible for YAML deserialization of gem specifications to bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution...

Nokogiri gem, via libxml, is affected by DoS and RCE vulnerabilities

The version of libxml2 packaged with Nokogiri contains several vulnerabilities. Nokogiri has mitigated these issues by upgrading to libxml 2.9.5. It was discovered that a type confusion error existed in libxml2. An attacker could use this to specially construct XML data that could cause a denial ...

Buffer underrun vulnerability in Kernel.sprintf

There is a buffer underrun vulnerability in the sprintf method of Kernel module. If a malicious format string which contains a precious specifier is passed and a huge minus value is also passed to the specifier, buffer underrun may be caused. In such situation, the result may contains heap, or th...

Heap exposure vulnerability in generating JSON

There is a heap exposure vulnerability in JSON bundled by Ruby. The generate method of JSON module optionally accepts an instance of JSON::Ext::Generator::State class. If a malicious instance is passed, the result may include contents of heap. All users running an affected release should either...

Buffer underrun vulnerability in Kernel.sprintf

There is a buffer underrun vulnerability in the sprintf method of Kernel module. If a malicious format string which contains a precious specifier is passed and a huge minus value is also passed to the specifier, buffer underrun may be caused. In such situation, the result may contains heap, or th...

Escape sequence injection vulnerability in the Basic authentication of WEBrick

There is an escape sequence injection vulnerability in the Basic authentication of WEBrick bundled by Ruby. When using the Basic authentication of WEBrick, clients can pass an arbitrary string as the user name. WEBrick outputs the passed user name intact to its log, then an attacker can inject...

Buffer underrun vulnerability in OpenSSL ASN1 decode

There is a buffer underrun vulnerability in OpenSSL bundled by Ruby. If a malicious string is passed to the decode method of OpenSSL::ASN1, buffer underrun may be caused and the Ruby interpreter may crash. All users running an affected release should either upgrade or use one of the workarounds...

DoS Vulnerability associated with URI.decode_www_form_component method

The URI.decodewwwformcomponent method in Ruby before 1.9.2-p330 allows remote attackers to cause a denial of service catastrophic regular expression backtracking, resource consumption, or application crash via a crafted string...

RubyGems ANSI escape sequence vulnerability

RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications that include terminal escape characters. Printing the gem specification would execute terminal escape sequences...

RubyGems vulnerability in the gem installer that allowed a malicious gem to overwrite arbitrary files

RubyGems version 2.6.12 and earlier fails to validate specification names, allowing a maliciously crafted gem to potentially overwrite any file on the filesystem...

RubyGems DNS request hijacking vulnerability

RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to down load and install gems from a server that the attacker controls...

RubyGems DoS vulnerability in the query command

RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications to cause a denial of service attack against RubyGems clients who have issued a query command...

Stored XSS in "gemirro" via injection in Gemspec "homepage" value

Stored cross-site scripting XSS vulnerability in Gemirro allows attackers to inject arbitrary web script via a crafted JavaScript URL in the "homepage" value of a ".gemspec" file. A ".gemspec" file must be created with a JavaScript URL in the homepage value. This can be used to build a gem for...

Logstash Logs Sensitive Information

Logstash prior to version 2.3.4, Elasticsearch Output plugin would log to file HTTP authorization headers which could contain sensitive information...

Heap use-after-free in mark_context_stack

The markcontextstack function in gc.c in mruby through 1.2.0 allows attackers to cause a denial of service heap-based use-after-free and application crash or possibly have unspecified other impact via a crafted .rb file...

Nokogiri gem contains two upstream vulnerabilities in libxslt 1.1.29

nokogiri version 1.7.2 has been released. This is a security update based on 1.7.1, addressing two upstream libxslt 1.1.29 vulnerabilities classified as "Medium" by Canonical and given a CVSS3 score of "6.5 Medium" and "8.8 High" by RedHat. These patches only apply when using Nokogiri's vendored...

haml failure to escape single quotes

In haml versions prior to version 5.0.0.beta.2, when using user input to perform tasks on the server, characters like " ' must be escaped properly. In this case, the ' character was missed. An attacker can manipulate the input to introduce additional attributes, potentially executing code...

RuboCop gem Insecure use of /tmp

RuboCop 0.48.1 and earlier does not use /tmp in safe way, allowing local users to exploit this to tamper with cache files belonging to other users...

Safemode Gem for Ruby is vulnerable to bypassing safe mode limitations

Safemode, as used in Foreman, versions 1.3.2 and earlier are vulnerable to bypassing safe mode limitations via special Ruby syntax. This can lead to deletion of objects for which the user does not have delete permissions or possibly to privilege escalation...

DoS caused by infinite recursion (stack overflow) in parse_char_class()

The parsecharclass function in regparse.c in the Onigmo aka Oniguruma-mod regular expression library, as used in Ruby 2.4.0, allows remote attackers to cause a denial of service deep recursion and application crash via a crafted regular expression...

Nokogiri gem contains several vulnerabilities in libxml2 and libxslt

Nokogiri version 1.7.1 has been released, pulling in several upstream patches to the vendored libxml2 to address the following CVEs: CVE-2016-4658 CVSS v3 Base Score: 9.8 Critical libxml2 in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3 allows remote attackers to...

Directory traversal vulnerability in rubyzip

The Zip::File component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability. If a site allows uploading of .zip files, an attacker can upload a malicious file that uses "../" pathname substrings to write arbitrary files to the filesystem...

omniauth leaks authenticity token in callback params

In strategy.rb in OmniAuth before 1.3.2, the authenticitytoken value is improperly protected because POST in addition to GET parameters are stored in the session and become available in the environment of the callback phase...

Ruby 2.1 has exploitable heap overflow vulnerability

An exploitable heap overflow vulnerability exists in the Fiddle::Function.new "initialize" function functionality of Ruby. In Fiddle::Function.new "initialize" heap buffer "argtypes" allocation is made based on args array length. Specially constructed object passed as element of args array can...

Type confusion exists in _cancel_eval Ruby's TclTkIp class

Type confusion exists in canceleval Ruby's TclTkIp class method. Attacker passing different type of object than String as "retval" argument can cause arbitrary code execution...

Type confusion exists in ole_invoke and ole_query_interface methods of Ruby's WIN32OLE class

Type confusion exists in two methods of Ruby's WIN32OLE class, oleinvoke and olequeryinterface. Attacker passing different type of object than this assumed by developers can cause arbitrary code execution...

CSRF vulnerability in rails_admin

The railsadmin gem is vulnerable to cross-site request forgery CSRF attacks. Due to a bug, non-GET methods were not validating CSRF tokens and, as a result, an attacker could hypothetically gain access to the application administrative endpoints exposed by the gem...

Predictable tmp File Path Vulnerability in Phusion Passenger

In Phusion Passenger before 5.1.0, a known /tmp filename was used during passenger-install-nginx-module execution, which could allow local attackers to gain the privileges of the passenger user...

Allows an attacker to inject arbitrary code into your application via any secondary Gem source declared in your Gemfile

Bundler 1.x might allow remote attackers to inject arbitrary Ruby code into an application by leveraging a Gem name collision on a secondary source. Please note that this vulnerability only applies for Ruby projects using Bundler 2.0 with Gemfiles having 2 or more "source" lines. In other words, ...

XSS Vulnerability on closeText option of Dialog jQuery UI

Cross-site scripting XSS vulnerability in jQuery UI before 1.12.0 might allow remote attackers to inject arbitrary web script or HTML via the closeText parameter of the dialog function...

Minitar Directory Traversal Vulnerability

Minitar allows attackers to overwrite arbitrary files during archive extraction via a .. dot dot in an extracted filename. Analogous vulnerabilities for unzip and tar: https://www.cvedetails.com/cve/CVE-2001-1268/ and http://www.cvedetails.com/cve/CVE-2001-1267/ Credit: ecneladis...

Archive-Tar-Minitar Directory Traversal Vulnerability

Minitar allows attackers to overwrite arbitrary files during archive extraction via a .. dot dot in an extracted filename. Analogous vulnerabilities for unzip and tar: https://www.cvedetails.com/cve/CVE-2001-1268/ and http://www.cvedetails.com/cve/CVE-2001-1267/ Credit: ecneladis...

Doorkeeper gem does not revoke tokens & uses wrong auth/auth method

Doorkeeper failed to implement OAuth 2.0 Token Revocation RFC 7009 in the following ways: 1. Public clients making valid, unauthenticated calls to revoke a token would not have their token revoked 2. Requests were not properly authenticating the client credentials but were, instead, looking at th...

Unsafe Query Generation Risk in Active Record

There is a vulnerability when Active Record is used in conjunction with JSON parameter parsing. This vulnerability is similar to CVE-2012-2660, CVE-2012-2694 and CVE-2013-0155. Impact ------ Due to the way Active Record interprets parameters in combination with the way that JSON parameters are...

Possible XSS Vulnerability in Action View

There is a possible XSS vulnerability in Action View. Text declared as "HTML safe" will not have quotes escaped when used as attribute values in tag helpers. Impact ------ Text declared as "HTML safe" when passed as an attribute value to a tag helper will not have quotes escaped which can lead to...

Possible XSS Vulnerability in Action View

There is a possible XSS vulnerability in Action View. Text declared as "HTML safe" will not have quotes escaped when used as attribute values in tag helpers. Impact ------ Text declared as "HTML safe" when passed as an attribute value to a tag helper will not have quotes escaped which can lead to...

XSS vulnerability via data-target in bootstrap-sass

In Bootstrap 3.x before 3.4.0 and 4.x-beta before 4.0.0-beta.2, XSS is possible in the data-target attribute...

XSS vulnerability via data-target in bootstrap

In Bootstrap 3.x before 3.4.0 and 4.x-beta before 4.0.0-beta.2, XSS is possible in the data-target attribute...

XML signature wrapping attack

ruby-saml prior to version 1.3.0 is vulnerable to an XML signature wrapping attack in the specific scenario where there was a signature that referenced at the same time 2 elements but past the scheme validator process since 1 of the element was inside the encrypted assertion. ruby-saml users must...

Logstash Logs Sensitive Information

Prior to Logstash version 5.0.1, Elasticsearch Output plugin when updating connections after sniffing, would log to file HTTP basic auth credentials...

Denial of service or RCE from libxml2 and libxslt

Nokogiri is affected by series of vulnerabilities in libxml2 and libxslt, which are libraries Nokogiri depends on. It was discovered that libxml2 and libxslt incorrectly handled certain malformed documents, which can allow malicious users to cause issues ranging from denial of service to remote...

rack-mini-profiler may disclose information to unauthorized users

Carefully crafted requests can expose information about strings and objects allocated during the request for unauthorised users...

Puppet Improper Access Control

Puppet Server before 2.3.2 and Ruby puppetmaster in Puppet 4.x before 4.4.2 and in Puppet Agent before 1.4.2 might allow remote attackers to bypass intended auth.conf access restrictions by leveraging incorrect URL decoding...

festivaltts4r Gem for Ruby Arbitrary Command Execution

festivaltts4r passes user modifiable strings directly to a shell command. An attacker can execute malicious commands by modifying the strings that are passed as arguments to the tospeech and and tomp3 methods in lib/festivaltts4r/festival4r.rb library...

Safemode Gem for Ruby is vulnerable to information disclosure

Safemode is initialised with an optional 'delegate' object. If the delegated object is a Rails controller, 'inspect' could be called which then exposes all informations about the App, including routes, secret tokens, caches and so on...

espeak-ruby Gem for Ruby Arbitrary Command Execution

espeak-ruby passes user modifiable strings directly to a shell command. An attacker can execute malicious commands by modifying the strings that are passed as arguments to the speak, save, bytes and byteswav methods in the lib/espeak/speech.rb library...

Cross-site request forgery (CSRF) vulnerability in administrate gem

"Administrate::ApplicationController actions didn't have CSRF protection. Remote attackers can hijack user's sessions and use any functionality that administrate exposes on their behalf."...