sinatra does not validate expanded path matches

Sinatra before 2.2.0 does not validate that the expanded path matches publicdir when serving static files...

Doorkeeper gem has stored XSS on authorization consent view

Stored XSS on the OAuth Client's name will cause users being prompted for consent via the "implicit" grant type to execute the XSS payload. The XSS attack could gain access to the user's active session, resulting in account compromise. Any user is susceptible if they click the authorization link...

gollum and gollum-lib allow remote authenticated users to execute arbitrary code

The gollum-gritadapter Ruby gem dependency in gollum before 3.1.1 and the gollum-lib gem dependency in gollum-lib before 4.0.1 when the string master is in any of the wiki documents, allows remote authenticated users to execute arbitrary code via the -O or --open-files-in-pager flags...

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...

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...

Object leak vulnerability for wildcard controller routes in Action Pack

There is an object leak vulnerability for wildcard controllers in Action Pack. This vulnerability has been assigned the CVE identifier CVE-2015-7581. Versions Affected: = 4.0.0 and 5.0.0.beta1 Not affected: 4.0.0, 5.0.0.beta1 and newer Fixed Versions: 4.2.5.1, 4.1.14.1 Impact ------ Users that ha...

sprout Gem for Ruby archive_unpacker.rb unpack_zip() Function Multiple Parameter Arbitrary Code Execution

sprout Gem for Ruby contains a flaw in the unpackzip function in archiveunpacker.rb. The issue is due to the program failing to properly sanitize input passed via the 'zipfile', 'dir', 'zipname', and 'output' parameters. This may allow a context-dependent attacker to execute arbitrary code...

Algorithmic complexity vulnerability in the WEBrick

Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.splitheadervalue function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of...

CarrierWave has a denylisted_content_type bypass via Unescaped Regex Metacharacters

Summary CarrierWave's contenttypedenylist check fails to escape regex metacharacters in string entries, causing the denylist to silently not match the content types it is intended to block. Note: CarrierWave is aware contenttypedenylist is deprecated for the security reason, but it still used by...

govuk_tech_docs vulnerable to unescaped HTML on search results page

Impact Pages that are indexed in search results have their entire contents indexed, including any HTML code snippets. These HTML snippets would appear in the search results unsanitised, so it was possible to render arbitrary HTML or run arbitrary scripts. This is a low risk security issue; to...

ReDoS based DoS vulnerability in Active Support’s underscore

There is a possible regular expression based DoS vulnerability in Active Support. This vulnerability has been assigned the CVE identifier CVE-2023-22796. Versions Affected: All Not affected: None Fixed Versions: 6.1.7.1, 7.0.4.1 Impact A specially crafted string passed to the underscore method ca...

Sinatra vulnerable to Reflected File Download attack

An issue was discovered in Sinatra 2.0 before 2.2.3 and 3.0 before 3.0.4. An application is vulnerable to a reflected file download RFD attack that sets the Content-Disposition header of a response when the filename is derived from user-supplied input...

libxml2 2.9.10 has an infinite loop in a certain end-of-file situation

Nokogiri has backported the patch for CVE-2020-7595 into its vendored version of libxml2, and released this as v1.10.8 CVE-2020-7595 has not yet been addressed in an upstream libxml2 release, and so Nokogiri versions = v1.10.7 are vulnerable...

Denial of Service Vulnerability in Action View

There is a potential denial of service vulnerability in actionview. This vulnerability has been assigned the CVE identifier CVE-2019-5419. Impact ------ Specially crafted accept headers can cause the Action View template location code to consume 100% CPU, causing the server unable to process...

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...

kajam Gem for Ruby /dataset/lib/dataset/database/postgresql.rb Process List Local Plaintext Password Disclosure

kajam Gem for Ruby contains a flaw in /dataset/lib/dataset/database/postgresql.rb that is triggered as the program exposes the MySQL or PostgreSQL password in the process list. This may allow a local attacker to gain access to password information...

echor Gem for Ruby Process Listing Local Plaintext Credential Disclosure

echor Gem for Ruby contains a flaw that is due to the program exposing credential information in the system process listing. This may allow a local attacker to gain access to plaintext credential information...

Chef Improper Access Control Vulnerability

chef-server-api/app/controllers/users.rb in the API in Chef before 0.9.0 does not require administrative privileges for the create, destroy, and update methods, which allows remote authenticated users to manage user accounts via requests to the /users URI...

gRPC connection termination issue

gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for -bin suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyo...

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in Pay

Impact A payments info page of Pay is susceptible to reflected Cross-site scripting. An attacker could create a working URL that renders a javascript link to a user on a Rails application that integrates Pay. This URL could be distributed via email to specifically target certain individuals. If t...

Possible XSS Security Vulnerability in SafeBuffer#bytesplice

There is a vulnerability in ActiveSupport if the new bytesplice method is called on a SafeBuffer with untrusted user input. This vulnerability has been assigned the CVE identifier CVE-2023-28120. Versions Affected: All. Not affected: None Fixed Versions: 7.0.4.3, 6.1.7.3 Impact ActiveSupport uses...

ReDoS based DoS vulnerability in GlobalID

There is a ReDoS based DoS vulnerability in the GlobalID gem. This vulnerability has been assigned the CVE identifier CVE-2023-22799. Versions Affected: = 0.2.1 Not affected: 0.2.1 Fixed Versions: 1.0.1 Impact There is a possible DoS vulnerability in the model name parsing section of the GlobalID...

Denial of Service Vulnerability in ActiveRecord’s PostgreSQL adapter

There is a potential denial of service vulnerability present in ActiveRecord’s PostgreSQL adapter. This has been assigned the CVE identifier CVE-2022-44566. Versions Affected: All. Not affected: None. Fixed Versions: 6.1.7.1, 7.0.4.1 Impact In ActiveRecord 7.0.4.1 and 6.1.7.1, when a value outsid...

curupira is vulnerable to SQL injection

A vulnerability classified as critical has been found in prodigasistemas curupira up to 0.1.3. Affected is an unknown function of the file app/controllers/curupira/passwordscontroller.rb. The manipulation leads to sql injection. Upgrading to version 0.1.4 is able to address this issue. The name o...

smalruby and smalruby-editor vulnerable to OS Command Injection

smalruby-editor prior to 0.4.1 and smalruby prior to 0.1.11 allows remote attackers to execute arbitrary OS commands via unspecified vectors...

XSS Vulnerability in Chartkick Ruby Gem

Chartkick is vulnerable to a cross-site scripting XSS attack if both the following conditions are met: Condition 1: It's used with ActiveSupport.escapehtmlentitiesinjson = false this is not the default for Rails OR used with a non-Rails framework like Sinatra. Condition 2: Untrusted data or optio...

Moderate severity vulnerability that affects nokogiri

The xzhead function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service memory consumption via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file. References: -...

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...

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...

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...

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...

CVE-2013-1800 rubygem-crack: YAML parameter parsing vulnerability

The crack gem 0.3.1 and earlier for Ruby does not properly restrict casts of string values, which might allow remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service memory and CPU consumption by leveraging Action Pack support for 1 YAML type...

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...

XSS via `filename` parameter to New Page dialog

Cross site scripting XSS in gollum 5.0 to 5.1.2 via the filename parameter to the 'New Page' dialog...

Possible Denial of Service vulnerability in Action Dispatch

There is a possible Denial of Service vulnerability in the Mime type parser of Action Dispatch. This vulnerability has been assigned the CVE identifier CVE-2021-22902. Versions Affected: = 6.0.0 Not affected: \sMIMEPARAMETER\s\z/ end end...

HTTP Smuggling via Transfer-Encoding Header in Puma

Impact This is a similar but different vulnerability to the one patched in 3.12.5 and 4.3.4. A client could smuggle a request through a proxy, causing the proxy to send a response back to another unknown client. If the proxy uses persistent connections and the client adds another request in via...

Potential denial of service in bson rubygem

The Moped::BSON::ObjecId.legal? method in mongodb/bson-ruby before 3.0.4 as used in rubygem-moped allows remote attackers to cause a denial of service worker resource consumption via a crafted string. NOTE: This issue is due to an incomplete fix to CVE-2015-4410...

Sort order SQL injection via `direction` parameter in administrate

In Administrate rubygem before version 0.13.0, when sorting by attributes on a dashboard, the direction parameter was not validated before being interpolated into the SQL query. This could present a SQL injection if the attacker were able to modify the direction parameter and bypass ActiveRecord...

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 in rails-html-sanitizer

There is a XSS vulnerability in Rails::Html::FullSanitizer used by Action View's striptags. This vulnerability has been assigned the CVE identifier CVE-2015-7579. Versions Affected: 1.0.2 Not affected: 1.0.0, 1.0.1 Fixed Versions: 1.0.3 Impact ------ Due to the way that Rails::Html::FullSanitizer...

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...

Ruby name_err_mesg_to_str Method Safe Level Security Bypass

Ruby 1.8.7 before patchlevel 371, 1.9.3 before patchlevel 286, and 2.0 before revision r37068 allows context-dependent attackers to bypass safe-level restrictions and modify untainted strings via the nameerrmesgtostr API function, which marks the string as tainted, a different vulnerability than...

Ruby incomplete fix for CVE-2011-1005 for NameError#to_s method when used on objects

The safe-level feature in Ruby 1.8.7 allows context-dependent attackers to modify strings via the NameErrortos method when operating on Ruby objects. NOTE: this issue is due to an incomplete fix for CVE-2011-1005...

CVE-2012-3424 rubygem-actionpack: DoS vulnerability in authenticate_or_request_with_http_digest

The decodecredentials method in actionpack/lib/actioncontroller/metal/httpauthentication.rb in Ruby on Rails 3.x before 3.0.16, 3.1.x before 3.1.7, and 3.2.x before 3.2.7 converts Digest Authentication strings to symbols, which allows remote attackers to cause a denial of service by leveraging...

Ruby multiple insufficient safe mode restrictions

Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 does not properly restrict access to critical variables and methods at various safe levels, which allows context-dependent attackers to bypass intended access restrictions via 1 untracevar, 2...

REXML contains a denial of service vulnerability

Impact The REXML gem before 3.2.6 has a DoS vulnerability when it parses an XML that has many s in an attribute value. If you need to parse untrusted XMLs, you many be impacted to this vulnerability. Patches The REXML gem 3.2.7 or later include the patch to fix this vulnerability. Workarounds Don...

ReDoS vulnerability in URI

We have released the uri gem version 0.12.2, 0.10.3 that has a security fix for a ReDoS vulnerability. This vulnerability has been assigned the CVE identifier CVE-2023-36617. Details A ReDoS issue was discovered in the URI component through 0.12.1 for Ruby. The URI parser mishandles invalid URLs...

Nokogiri contains libxml Out-of-bounds Write vulnerability

There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able to supply a crafted file to be processed by an application linked with the affected functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this...

Potential XSS vulnerability in jQuery

Impact Passing HTML from untrusted sources - even after sanitizing it - to one of jQuery's DOM manipulation methods i.e. .html, .append, and others may execute untrusted code. Patches This problem is patched in jQuery 3.5.0. Workarounds To workaround the issue without upgrading, adding the...

Devise Gem for Ruby confirmation token validation with a blank string

Devise before 4.7.1 confirms accounts upon receiving a request with a blank confirmationtoken, if a database record has a blank value in the confirmationtoken column. However, there is no scenario within Devise itself in which such database records would exist...