Heap-based Buffer Overflow in mruby/mruby

Heap-based Buffer Overflow in Homebrew mruby prior to 3.2...

Out-of-bounds Read in mruby/mruby

Out-of-bounds Read in Homebrew mruby prior to 3.2...

NULL Pointer Dereference in mruby/mruby

mruby is vulnerable to NULL Pointer Dereference...

HTTP Request Smuggling in reel

reel through 0.6.1 allows Request Smuggling attacks due to incorrect Content-Length and Transfer encoding header parsing. It is possible to conduct HTTP request smuggling attacks by sending the Content-Length header twice. Furthermore, invalid Transfer Encoding headers were found to be parsed as...

Path traversal in Tempfile on Windows

There is an unintentional directory creation vulnerability in tmpdir library bundled with Ruby on Windows. And there is also an unintentional file creation vulnerability in tempfile library bundled with Ruby on Windows, because it uses tmpdir internally...

Remote code execution in Kramdown

Kramdown before 2.3.1 does not restrict Rouge formatters to the Rouge::Formatters namespace, and thus arbitrary classes can be instantiated...

Heap buffer overflow in mruby interpreter

muby through 2.1.2-rc has a heap-based buffer overflow in the mrbyieldwithclass function in vm.c because of incorrect VM stack handling. It can be triggered via the stackcopy function...

Publify vulnerable to DoS attack

Publify before 8.0.2 is vulnerable to a Denial of Service attack...

Code execution backdoor in omniauth_amazon

The omniauthamazon gem 1.0.1 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. Users of an affected version should consider downgrading to the last non-affected version of 1.0.1...

Use of uninitialized pointer in mrb_hash_keys

The initcopy function in kernel.c in mruby 1.4.1 makes initializecopy calls for TTICLASS objects, which allows attackers to cause a denial of service mrbhashkeys uninitialized pointer and application crash or possibly have unspecified other impact...

mapbox-rails Content Injection via TileJSON attribute

Mapbox.js versions 1.x prior to 1.6.5 and 2.x prior to 2.1.7 are vulnerable to a cross-site-scripting attack in certain uncommon usage scenarios. If you use L.mapbox.map or L.mapbox.tileLayer to load untrusted TileJSON content from a non-Mapbox URL, it is possible for a malicious user with contro...

Logstash: Man-In-The Middle attack

Logstash 1.4.x before 1.4.5 and 1.5.x before 1.5.4 with Lumberjack output or the Logstash forwarder does not validate SSL/TLS certificates from the Logstash server, which might allow attackers to obtain sensitive information via a man-in-the-middle attack...

brbackup Gem for Ruby Process List Local Plaintext Password Disclosure

brbackup Gem for Ruby contains a flaw that is due to the program exposing password information in plaintext in the process list. This may allow a local attacker to gain access to password information...

gyazo Gem for Ruby client.rb Metacharacter Handling Remote Command Execution

gyazo Gem for Ruby contains a flaw in client.rb that is triggered when handling metacharacters. This may allow a remote attacker to execute arbitrary commands...

CVE-2014-0135 rubygem-kafo: temporary file creation vulnerability when creating /tmp/default_values.yaml

Kafo before 0.3.17 and 0.4.x before 0.5.2, as used by Foreman, uses world-readable permissions for defaultvalues.yaml, which allows local users to obtain passwords and other sensitive information by reading the file...

echor Gem for Ruby backplane.rb perform_request Function Arbitrary Command Execution

Echor Gem for Ruby contains a flaw in backplane.rb in the performrequest function that is triggered when a semi-colon ; is injected into a username or password. This may allow a context-dependent attacker to inject arbitrary commands if the gem is used in a rails application...

Fat Free CRM Gem for Ruby lack of support for cycling the Rails session secret

Fat Free CRM contains a flaw that is due to the application defining a static security session token in config/initialiers/secrettoken.rb. If a remote attacker has explicit knowledge of this token, they can potentially execute arbitrary code...

omniauth-facebook Gem for Ruby Unspecified CSRF

omniauth-facebook Gem for Ruby contains a flaw as HTTP requests do not require multiple steps, explicit confirmation, or a unique token when performing certain sensitive actions. By tricking a user into following a specially crafted link, a context-dependent attacker can perform a Cross-Site...

fog-dragonfly Gem for Ruby imagemagickutils.rb Remote Command Execution

fog-dragonfly Gem for Ruby contains a flaw that is due to the program failing to properly sanitize input passed via the imagemagickutils.rb script. This may allow a remote attacker to execute arbitrary commands. This gem has been renamed. Please use "dragonfly" from now on...

Ruby 'OCSP_basic_verify()' X.509 Certificate Verification Vulnerability

ext/openssl/osslocsp.c in Ruby 1.8 and 1.9 does not properly check the return value from the OCSPbasicverify function, which might allow remote attackers to successfully present an invalid X.509 certificate, possibly involving a revoked certificate...

RWiki before 2.1.1 has cross-site scripting vulnerability

Cross-site scripting XSS vulnerability in Wiki content in RWiki 2.1.0pre1 through 2.1.0 allows remote attackers to inject arbitrary web script or HTML via unknown attack vectors...

redact additional sensitive/risky headers when following redirects

Impact The redirect follower middleware previously failed to strip a number of headers that are known to be sensitive and did not provide a way to provide a custom list of headers to strip. What kind of vulnerability is it? Who is impacted? This could cause inadvertent leakage of sensitive data f...

ERB has an @_init deserialization guard bypass via def_module / def_method / def_class

ERB implements an @init guard to prevent code execution when ERB objects are reconstructed via Marshal.load on untrusted data. However, ERBdefmethod, ERBdefmodule, and ERBdefclass evaluate the template source without checking this guard, allowing an attacker who controls the data passed to...

Ruby WEBrick read_headers method can lead to HTTP Request/Response Smuggling

Ruby WEBrick readheader HTTP Request Smuggling Vulnerability This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions. The...

Ruby SAML allows remote Denial of Service (DoS) with compressed SAML responses

Summary ruby-saml is susceptible to remote Denial of Service DoS with compressed SAML responses. Ruby-saml uses zlib to decompress SAML responses in case they're compressed. It is possible to bypass the message size check with a compressed assertion since the message size is checked before...

rails-html-sanitizer has XSS vulnerability with certain configurations

Summary There is a possible XSS vulnerability with certain configurations of Rails::HTML::Sanitizer 1.6.0 when used with Rails = 7.1.0. Versions affected: 1.6.0 Not affected: 1.6.0 Fixed versions: 1.6.1 Impact A possible XSS vulnerability with certain configurations of Rails::HTML::Sanitizer may...

decidim-meetings Cross-site scripting vulnerability in the online or hybrid meeting embeds

Impact The meeting embeds feature used in the online or hybrid meetings is subject to potential XSS attack through a malformed URL. Workarounds Disable the creation of meetings by participants in the meeting component. References OWASP ASVS v4.0.3-5.1.3 Credits This issue was discovered in a...

Sinatra vulnerable to Reliance on Untrusted Inputs in a Security Decision

Versions of the package sinatra from 0.0.0 are vulnerable to Reliance on Untrusted Inputs in a Security Decision via the X-Forwarded-Host XFH header. When making a request to a method with redirect applied, it is possible to trigger an Open Redirect Attack by inserting an arbitrary address into...

Possibility to circumvent the invitation token expiry period

Impact The invites feature allows users to accept the invitation for an unlimited amount of time through the password reset functionality. When using the password reset functionality, the deviseinvitable gem always accepts the pending invitation if the user has been invited as shown in this piece...

Possible CSRF attack at questionnaire templates preview

Impact The CSRF authenticity token check is currently disabled for the questionnaire templates preview as per: https://github.com/decidim/decidim/blob/3187bdfd40ea1c57c2c12512b09a7fec0b2bed08/decidim-templates/app/controllers/decidim/templates/admin/questionnairetemplatescontroller.rbL11 This was...

Resque vulnerable to Reflected Cross Site Scripting through pathnames

Impact resque-web in resque versions before 2.1.0 is vulnerable to reflected XSS through the currentqueue parameter in the path of the queues endpoint. Patches v2.1.0 Workarounds No known workarounds at this time. It is recommended to not click on 3rd party or untrusted links to the resque-web...

memory leak flaw was found in ruby-magick

A memory leak flaw was found in ruby-magick, an interface between Ruby and ImageMagick. This issue can lead to a denial of service DOS by memory exhaustion...

Octopoller gem published with world-writable files

Impact Version 0.2.0 of the octopoller gem was published containing world-writeable files. Specifically, the gem was packed with files having their permissions set to -rw-rw-rw- i.e. 0666 instead of rw-r--r-- i.e. 0644. This means everyone who is not the owner Group and Public with access to the...

Use of Uninitialized Variable in trilogy

Impact When authenticating, a malicious server could return a specially crafted authentication packet, causing the client to read and return up to 12 bytes of data from an uninitialized variable in stack memory. Patches Users of the trilogy gem should upgrade to version 2.1.1 Workarounds This iss...

Incorrect Authorization in publify

Improper Access Control in GitHub repository publify/publify prior to 9.2.8. Anonymous users can't view but can leave comments on an article in draft mode...

Fluentd Escape Sequence Injection Vulnerability

Escape sequence injection vulnerability in Fluentd versions 0.12.29 through 0.12.40 may allow an attacker to change the terminal UI or execute arbitrary commands on the device via unspecified vectors...

heap use after free in hash_values_at in mrbgems/mruby-hash-ext/src/hash-ext.c

In mruby 2.1.0, there is a use-after-free in hashvaluesat in mrbgems/mruby-hash-ext/src/hash-ext.c...

Incorrect value comparison in Ruby openssl

An issue was discovered in the OpenSSL library in Ruby when two OpenSSL::X509::Name objects are compared using ==, depending on the ordering, non-equal objects may return true. When the first argument is one character longer than the second, or the second argument contains a character that is one...

RedCloth Cross-site Scripting vulnerability

Cross-site scripting XSS vulnerability in the RedCloth library 4.2.9 for Ruby and earlier allows remote attackers to inject arbitrary web script or HTML via a "javascript:" URI...

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...

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...

colorscore Gem for Ruby lib/colorscore/histogram.rb Arbitrary Command Injection

The contents of the imagepath, colors, and depth variables generated from possibly user-supplied input are passed directly to the shell via convert .... If a user supplies a value that includes shell metacharacters such as ';', an attacker may be able to execute shell commands on the remote syste...

open-uri-cached Gem for Ruby Unsafe Temporary File Creation Local Privilege Escalation

open-uri-cached Gem for Ruby contains a flaw that is due to the program creating temporary files in a predictable, unsafe manner when using YAML. This may allow a local attacker to gain elevated privileges...

VladTheEnterprising Gem for Ruby /tmp/my.cnf.#{target_host} Symlink Multiple Impact

VladTheEnterprising Gem for Ruby contains a flaw as the program creates temporary files insecurely. It is possible for a local attacker to use a symlink attack against the /tmp/my.cnf.targethost file they can overwrite arbitrary files, gain access to the MySQL root password, or inject arbitrary...

CVE-2014-1831 CVE-2014-1832 rubygem-passenger: insecure use of temporary files

'Phusion Passenger 4.0.37 allows local users to write to certain files and directories via a symlink attack on 1 controlprocess.pid or a 2 generation- file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-1831.'...

Fat Free CRM Gem for Ruby allows remote attackers to inject or manipulate SQL queries

Fat Free CRM contains a flaw that may allow carrying out an SQL injection attack. The issue is due to the app/controllers/homecontroller.rb script not properly sanitizing user-supplied input to the 'state' parameter or input passed via comments and emails. This may allow a remote attacker to inje...

Fat Free CRM Gem for Ruby allows remote attackers to obtain sensitive informations

Fat Free CRM contains a flaw in user controllers that is triggered as JSON requests are rendered with a full JSON object. This may allow a remote attacker to gain access to potentially sensitive information e.g. other users password hashes...

Features Gem for Ruby /tmp/out.html Local XSS

Features Gem for Ruby contains a flaw that allows a local cross-site scripting XSS attack. This flaw exists because the application does not validate certain input upon submission to /tmp/out.html. This may allow an attacker to create a specially crafted request that would execute arbitrary scrip...

Spree payment_methods_controller.rb payment_method Parameter Arbitrary Ruby Object Instantiation Command Execution

Spree contains a flaw that is triggered when handling input passed via the 'paymentmethod' parameter to paymentmethodscontroller.rb. This may allow a remote authenticated attacker to instantiate arbitrary Ruby objects and potentially execute arbitrary commands...

Spree promotions_controller.rb calculator_type Parameter Arbitrary Ruby Object Instantiation Command Execution

Spree contains a flaw that is triggered when handling input passed via the 'calculatortype' parameter to promotionscontroller.rb. This may allow a remote authenticated attacker to instantiate arbitrary Ruby objects and potentially execute arbitrary commands...