CVE-2017-0904

The privateaddresscheck ruby gem before 0.4.0 is vulnerable to a bypass due to use of Ruby's Resolv.getaddresses method, which is OS-dependent and should not be relied upon for security measures, such as when used to blacklist private network addresses to prevent server-side request forgery...

CVE-2017-0904

The private_address_check Ruby gem (versions before 0.4.0) is affected by a bypass of its own privacy filter due to using Ruby’s Resolv.getaddresses, which is OS-dependent and cannot be trusted for security checks. This can undermine server-side request forgery protections that rely on blacklisti...

CVE-2017-0889

CVE-2017-0889 affects Paperclip Ruby gem 3.1.4+ (Paperclip::UriAdapter, Paperclip::HttpUrlProxyAdapter) with a Server-Side Request Forgery (SSRF) vulnerability that may allow an attacker to access internal network resources. The connected documents corroborate the vulnerability and impact, but do...

CVE-2017-0904

The privateaddresscheck ruby gem before 0.4.0 is vulnerable to a bypass due to use of Ruby's Resolv.getaddresses method, which is OS-dependent and should not be relied upon for security measures, such as when used to blacklist private network addresses to prevent server-side request forgery...

CVE-2017-0889

Paperclip ruby gem version 3.1.4 and later suffers from a Server-SIde Request Forgery SSRF vulnerability in the Paperclip::UriAdapter class. Attackers may be able to access information about internal network resources...

Cross site scripting

Stored cross-site scripting XSS vulnerability in "geminabox" Gem in a Box before 0.13.10 allows attackers to inject arbitrary web script via the "homepage" value of a ".gemspec" file, related to views/gem.erb and views/index.erb...

CVE-2017-16792

Gem in a Box (geminabox) prior to version 0.13.10 is affected by a stored XSS vulnerability. An attacker can inject arbitrary script via the homepage field in a .gemspec, related to the views/gem.erb and views/index.erb templates. The CVE-2017-16792 entry is corroborated by multiple sources (incl...

CVE-2017-16792

Stored cross-site scripting XSS vulnerability in "geminabox" Gem in a Box before 0.13.10 allows attackers to inject arbitrary web script via the "homepage" value of a ".gemspec" file, related to views/gem.erb and views/index.erb...

Dex-Oracle - A pattern based Dalvik deobfuscator which uses limited execution to improve semantic analysis

A pattern based Dalvik deobfuscator which uses limited execution to improve semantic analysis. Also, the inspiration for another Android deobfuscator: Simplify. Before After sha1: a68d5d2da7550d35f7dbefc21b7deebe3f4005f3 md5: 2dd2eeeda08ac8c15be8a9f2d01adbe8 Installation Step 1. Install Smali /...

RubyGems: [gem server] Stored XSS via crafted JavaScript URL inclusion in Gemspec

Hi, A JavaScript URL injection in the homepage field within a Gemspec file can be leveraged to achieve stored XSS on the default gem server web interface, referenced here. When you install RubyGems, it adds the gem server command to your system. This is the fastest way to start hosting gems. As...

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

Stored cross-site scripting XSS vulnerability in "geminabox" Gem in a Box 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...

HackerOne: Additional bypass allows SSRF for internal netblocks

It turns out there is another bypass in the privateaddresscheck gem. The gem does not include 0.0.0.0 in the exclusion list in the first place. irbmain:001:0 require 'privateaddresscheck' = true irbmain:002:0 PrivateAddressCheck.privateaddress?"0.0.0.0" = false I was able to bypass your filter by...

Ruby yajl-ruby gem denial of service vulnerability

Ruby is a cross-platform, object-oriented, dynamically typed programming language developed by Japanese software developer Yukihiro Matsumoto. yajl-ruby gem is one of the stream-based parsing library. A security vulnerability exists in the 'yajlstringdecode' function in the yajlencode.c file in...

SSRF vulnerability in Recurly gem's Resource#find.

If you are using the find method on any of the classes that are derived from the Resource class and you are passing user input into that method, a malicious user can force the http client to reach out to a server under their control. This can lead to leakage of your private API key. Because of th...

private_address_check Ruby Gem Blacklist Bypass privilege escalation

The privateaddresscheck ruby gem before 0.4.1 is vulnerable to a bypass due to an incomplete blacklist of common private/local network addresses used to prevent server-side request forgery...

Cross-site Scripting (XSS)

Overview erubis is an implementation of eRuby and has the following features: Affected versions of the package are vulnerable to Cross-site Scripting XSS. Single quotes were not properly escaped in the helper.rb and helpers/railshelper.rb files. The Erubis Documentation shows missing escaping...

private_address_check Ruby Gem Resolv.getaddresses Server-Side Request Forgery

The privateaddresscheck ruby gem before 0.4.0 is vulnerable to a bypass due to use of Ruby's Resolv.getaddresses method, which is OS-dependent and should not be relied upon for security measures, such as when used to blacklist private network addresses to prevent server-side request forgery...

Ruby: Resolv::getaddresses bug that can be abused to bypass security measures.

Description Resolv::getaddresses is OS-dependent, therefore by playing around with different IP formats one can return blank values. This bug can be abused to bypass exclusion lists often used to protect against SSRF. | 💻 Machine 1 | 💻 Machine 2 | |--------------|---------------| | ruby 2.3.3p222...

Ruby Ox gem denial of service vulnerability

Ruby Ox gem is a Ruby-based XML parser . A denial of service vulnerability exists in Ruby Ox gem version 2.8.0. An attacker can exploit this vulnerability to cause a denial of service process crash and segmentation error with specially crafted input...

CVE-2017-16516

In the yajl-ruby gem 1.3.0 for Ruby, when a crafted JSON file is supplied to Yajl::Parser.new.parse, the whole ruby process crashes with a SIGABRT in the yajlstringdecode function in yajlencode.c. This results in the whole ruby process terminating and potentially a denial of service...