Nested attributes rejection proc bypass in Active Record

There is a vulnerability in how the nested attributes feature in Active Record handles updates in combination with destroy flags when destroying records is disabled. This vulnerability has been assigned the CVE identifier CVE-2015-7577. Versions Affected: 3.1.0 and newer Not affected: 3.0.x and...

Nokogiri gem contains a heap-based buffer overflow vulnerability in libxml2

Nokogiri version 1.6.7.2 has been released, pulling in several upstream patches to the vendored libxml2 to address the following CVE: CVE-2015-7499 CVSS v2 Base Score: 5.0 MEDIUM Heap-based buffer overflow in the xmlGROW function in parser.c in libxml2 before 2.9.3 allows context-dependent...

Devise Gem for Ruby Unauthorized Access Using Remember Me Cookie

Devise version before 3.5.4 uses cookies to implement a "Remember me" functionality. However, it generates the same cookie for all devices. If an attacker manages to steal a remember me cookie and the user does not change the password frequently, the cookie can be used to gain access to the...

Ember.js XSS Vulnerability with User-Supplied JSON

By default, Ember will escape any values in Handlebars templates that use double curlies value. Developers can specifically opt out of this escaping behavior by passing an instance of SafeString rather than a raw string, which tells Ember that it should not escape the string because the developer...

mapbox-rails Content Injection via TileJSON Name

Mapbox.js versions 1.x prior to 1.6.6 and 2.x prior to 2.2.4 are vulnerable to a cross-site-scripting attack in certain uncommon usage scenarios. If you use L.mapbox.map and L.mapbox.shareControl it is possible for a malicious user with control over the TileJSON content to inject script content...

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...

Unsafe tainted string usage in Fiddle and DL

There is an unsafe tainted string vulnerability in Fiddle and DL. This issue was originally reported and fixed with CVE-2009-5147 in DL, but reappeared after DL was reimplemented using Fiddle and libffi. And, about DL, CVE-2009-5147 was fixed at Ruby 1.9.1, but not fixed at other branches, then...

git-fastclone Shell Metacharacter Injection Arbitrary Command Execution

git-fastclone before 1.0.5 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 "cd " and "git clone " commands in the library...

Nokogiri gem contains several vulnerabilities in libxml2

Nokogiri version 1.6.7.1 has been released, pulling in several upstream patches to the vendored libxml2 to address the following CVEs: CVE-2015-5312 CVSS v2 Base Score: 7.1 HIGH The xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.3 does not properly prevent entity expansion,...

git-fastclone permits arbitrary shell command execution from .gitmodules

Git allows executing arbitrary shell commands using git-remote-ext via a remote URLs. Normally git never requests URLs that the user doesn't specifically request, so this is not a serious security concern. However, submodules did allow the remote repository to specify what URL to clone from. If a...

CVE-2015-9097 rubygem-mail: SMTP injection via recipient email addresses

The mail gem before 2.5.5 for Ruby aka A Really Ruby Mail Library is vulnerable to SMTP command injection via CRLF sequences in a RCPT TO or MAIL FROM command, as demonstrated by CRLF sequences immediately before and after a DATA substring...

SMTP command injection

Net::SMTP is vulnerable to SMTP command injection via CRLF sequences in a RCPT TO or MAIL FROM command, as demonstrated by CRLF sequences immediately before and after a DATA substring. Applications that validate email address format are not affected by this vulnerability. The injection attack is...

Phusion Passenger Server allows to overwrite headers in some cases

It is possible in some cases, for clients to overwrite headers set by the server, resulting in a medium level security issue. Passenger 5 uses an SCGI-inspired format to pass headers to Ruby/Python applications, while Passenger 4 uses an SCGI-inspired format to pass headers to all applications...

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...

gollum Upload File Functionality Permits Arbitrary File Access

The gollum gem contains a flaw in its upload file functionality that can allow arbitrary file access. This occurs due to a lack of type checking when handling temporary files during the upload process...

devise-two-factor 1.1.0 and earlier vulnerable to replay attacks

A OTP replay vulnerability in devise-two-factor 1.1.0 and earlier allows local attackers to shoulder-surf a user's TOTP verification code and use it to login after the user has authenticated. By not "burning" a previously used TOTP, devise-two-factor allows a narrow window of opportunity aka the...

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...

uglifier incorrectly handles non-boolean comparisons during minification

The upstream library for the Ruby uglifier gem, UglifyJS, is affected by a vulnerability that allows a specially crafted Javascript file to have altered functionality after minification. This bug, found in UglifyJS versions 2.4.23 and earlier, was demonstrated to allow potentially malicious code ...

Logstash: SSL/TLS FREAK Attack

Logstash: SSL/TLS FREAK Attack: Logstash 1.5.x before 1.5.3 and 1.4.x before 1.4.4 allows remote attackers to read communications between Logstash Forwarder agent and Logstash server...

rack-cors Gem Missing Anchor permits unauthorized CORS requests

Missing anchor in generated regex for rack-cors before 0.4.1 allows a malicious third-party site to perform CORS requests. If the configuration were intended to allow only the trusted example.com domain name and not the malicious example.net domain name, then example.com.example.net as well as...

redcarpet Gem for Ruby html.c header_anchor() Function Stack Overflow

redcarpet Gem for Ruby contains a flaw that allows a stack overflow. This flaw exists because the headeranchor function in html.c uses variable length arrays VLA without any range checking. This may allow a remote attacker to execute arbitrary code...

Potential Denial of Service Vulnerability in Rack

Carefully crafted requests can cause a SystemStackError and potentially cause a denial of service attack. All users running an affected release should upgrade...

CSRF Vulnerability in jquery-rails

In the scenario where an attacker might be able to control the href attribute of an anchor tag or the action attribute of a form tag that will trigger a POST action, the attacker can set the href or action to " https://attacker.com" note the leading space that will be passed to JQuery, who will s...

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

"Spina::ApplicationController actions didn't have CSRF protection. This causes a CSRF vulnerability across the entire engine which includes administrative functionality such as creating users, changing passwords, and media management."...

IP whitelist bypass in Web Console

Specially crafted remote requests can spoof their origin, bypassing the IP whitelist, in any environment where Web Console is enabled development and test, by default. Users whose application is only accessible from localhost as is the default behaviour in Rails 4.2 are not affected, unless a loc...

XSS Vulnerability in ActiveSupport::JSON.encode

When a Hash containing user-controlled data is encode as JSON either through Hashtojson or ActiveSupport::JSON.encode, Rails does not perform adequate escaping that matches the guarantee implied by the escapehtmlentitiesinjson option which is enabled by default. If this resulting JSON string is...

Possible Denial of Service attack in Active Support

Specially crafted XML documents can cause applications to raise a SystemStackError and potentially cause a denial of service attack. This only impacts applications using REXML or JDOM as their XML processor. Other XML processors that Rails supports are not impacted. All users running an affected...

CSRF Vulnerability in jquery-ujs

In the scenario where an attacker might be able to control the href attribute of an anchor tag or the action attribute of a form tag that will trigger a POST action, the attacker can set the href or action to " https://attacker.com" note the leading space that will be passed to JQuery, who will s...

RubyGems remote_fetcher.rb api_endpoint() Function Missing SRV Record Hostname Validation Request Hijacking

RubyGems contains a flaw in the apiendpoint function in remotefetcher.rb that is triggered when handling hostnames in SRV records. With a specially crafted response, a context-dependent attacker may conduct DNS hijacking attacks. This vulnerability is due to an incomplete fix for CVE-2015-3900,...

Paperclip Gem for Ruby vulnerable to content type spoofing

There is an issue where if an HTML file is uploaded with a .html extension, but the content type is listed as being image/jpeg, this will bypass a validation checking for images. But it will also pass the spoof check, because a file named .html and containing actual HTML passes the spoof check...

Data Injection Vulnerability in bson Rubygem

A flaw in the ObjectId validation regular expression can enable attackers to inject arbitrary information into a given BSON object...

Data Injection Vulnerability in moped Rubygem

A flaw in the ObjectId validation regular expression can enable attackers to inject arbitrary information into a given BSON object...

CSRF vulnerability in OmniAuth's request phase

The request phase of the OmniAuth Ruby gem is vulnerable to Cross-Site Request Forgery CSRF when used as part of the Ruby on Rails framework, allowing accounts to be connected without user intent, user interaction, or feedback to the user. This permits a secondary account to be able to sign into...

CVE-2015-3900 rubygems: DNS hijacking vulnerability in api_endpoint()

RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a "DNS hijack attack." A flaw was found in a...

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...

rest-client ruby gem logs sensitive information

REST client for Ruby aka rest-client before 1.7.3 logs usernames and passwords, which allows local users to obtain sensitive information by reading the log...

ruby-saml gem is vulnerable to XPath injection

xmlsecurity.rb in the ruby-saml gem before 1.0.0 for Ruby allows XPath injection and code execution because prepared statements are not used. The lack of prepared statements allows for possibly command injection, leading to arbitrary code execution...

Ember.js XSS Vulnerability With {{view "select"}} Options

In general, Ember.js escapes or strips any user-supplied content before inserting it in strings that will be sent to innerHTML. However, a change made to the implementation of the select view means that any user-supplied data bound to an option's label will not be escaped correctly. In applicatio...

Nokogiri gem contains several vulnerabilities in libxml2 and libxslt

Several vulnerabilities were discovered in the libxml2 and libxslt libraries that the Nokogiri gem depends on. CVE-2015-1819 A denial of service flaw was found in the way libxml2 parsed XML documents. This flaw could cause an application that uses libxml2 to use an excessive amount of memory...

Ruby OpenSSL Hostname Verification

After reviewing RFC 6125 and RFC 5280, we found multiple violations of matching hostnames and particularly wildcard certificates. Ruby’s OpenSSL extension will now provide a string-based matching algorithm which follows more strict behavior, as recommended by these RFCs. In particular, matching o...

CVE-2015-1820 rubygem-rest-client: session fixation vulnerability Set-Cookie headers present in an HTTP 30x redirection responses

REST client for Ruby aka rest-client before 1.8.0 allows remote attackers to conduct session fixation attacks or obtain sensitive cookie information by leveraging passage of cookies set in a response to a redirect...

HTTPS MitM vulnerability in http.rb

http.rb failed to call the OpenSSL::SSL::SSLSocketpostconnectioncheck method to perform hostname verification. Because of this, an attacker with a valid certificate but with a mismatched subject can perform a MitM attack...

xaviershay-dm-rails Gem for Ruby exposes sensitive information via the process table

xaviershay-dm-rails Gem for Ruby contains a flaw in the execute function in /datamapper/dm-rails/blob/master/lib/dm-rails/storage.rb. The issue is due to the function exposing sensitive information via the process table. This may allow a local attack to gain access to MySQL credential information...

Fat Free CRM Gem being vulnerable to CSRF-type attacks

Fat Free CRM contains a flaw as HTTP requests to /admin/users 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 Reques...

Puppet Labs Facter allows local users to obtains sensitive Amazon EC2 IAM instance metadata by reading a fact for an Amazon EC2 node.

Puppet Labs Facter 1.6.0 through 2.4.0 allows local users to obtains sensitive Amazon EC2 IAM instance metadata by reading a fact for an Amazon EC2 node...

Cross-site request forgery (CSRF) vulnerability in doorkeeper 1.4.0 and earlier.

Cross-site request forgery CSRF vulnerability in doorkeeper 1.4.0 and earlier allows remote attackers to hijack the user's OAuth autorization code. This vulnerability has been assigned the CVE identifier CVE-2014-8144. Doorkeeper's endpoints didn't have CSRF protection. Any HTML document on the...

sentry-raven Gem for Ruby contains a flaw that can result in a denial of service

Sentry raven-ruby contains a flaw in the lib/raven/okjson.rb script that is triggered when large numeric values are stored as an exponent or in scientific notation. With a specially crafted request, an attacker can cause the software to consume excessive resources resulting in a denial of service...

gollum-grit_adapter Search Functionality Allows Arbitrary Command Execution

The gollum-gritadapter gem contains a flaw that can allow arbitrary command execution. Grit implements its search functionality by shelling out to git grep. In turn, git grep takes a -O or --open-files-in-pages option that will pipe the results of grep to an arbitrary process. By failing to...

Arbitrary file existence disclosure in Action Pack

Specially crafted requests can be used to determine whether a file exists on the filesystem that is outside the Rails application's root directory. The files will not be served, but attackers can determine whether or not the file exists. This vulnerability is very similar to CVE-2014-7818, but th...

CVE-2014-8090 ruby: REXML incomplete fix for CVE-2014-8080

The REXML parser in Ruby 1.9.x before 1.9.3 patchlevel 551, 2.0.x before 2.0.0 patchlevel 598, and 2.1.x before 2.1.5 allows remote attackers to cause a denial of service CPU and memory consumption a crafted XML document containing an empty string in an entity that is used in a large number of...