request_store has Incorrect Default Permissions

Impact The files published as part of requeststore 1.3.2 have 0666 permissions, meaning that they are world-writable, which allows local users to execute arbitrary code. This version was published in 2017, and most production environments do not allow access for local users, so the chances of thi...

Denial of Service in rack-contrib via "profiler_runs" parameter

rack-contrib prior to version 2.5.0 is vulnerable to a Denial of Service via the profilerruns HTTP request parameter. Versions Affected: = 2.5.0 Impact An attacker can trigger a Denial of Service by sending an HTTP request with an overly large profilerruns parameter. shell curl...

StimulusReflex arbitrary method call

Summary More methods than expected can be called on reflex instances. Being able to call some of them has security implications. Details To invoke a reflex a websocket message of the following shape is sent: json "target": "classnamemethodname", "args": The server will proceed to instantiate refl...

Server-Side Template Injection in Camaleon CMS

Camaleon CMS prior to 2.7.4 was discovered to contain a Server-Side Template Injection SSTI vulnerability via the formats parameter...

active_attr Improper Resource Shutdown or Release vulnerability

A vulnerability classified as problematic has been found in cgriego activeattr up to 0.15.3. This affects the function call of the file lib/activeattr/typecasting/booleantypecaster.rb of the component Regex Handler. The manipulation of the argument value leads to denial of service. The exploit ha...

Unchecked return value from xmlTextReaderExpand

Summary Nokogiri 1.13.8, 1.13.9 fails to check the return value from xmlTextReaderExpand in the method Nokogiri::XML::Readerattributehash. This can lead to a null pointer exception when invalid markup is being parsed. For applications using XML::Reader to parse untrusted inputs, this may...

Unsanitized input leading to code injection in Dalli

A vulnerability was found in Dalli. Affected is the function self.metaset of the file lib/dalli/protocol/meta/requestformatter.rb of the component Meta Protocol Handler. The manipulation leads to injection. The exploit has been disclosed to the public and may be used. The name of the patch is...

Command injection in cocoapods-downloader

The package cocoapods-downloader before 1.6.2 are vulnerable to Command Injection via hg argument injection. When calling the download function when using hg, the url and/or revision, tag, branch is passed to the hg clone command in a way that additional flags can be set. The additional flags can...

Regular Expression Denial of Service in Addressable templates

Within the URI template implementation in Addressable, a maliciously crafted template may result in uncontrolled resource consumption, leading to denial of service when matched against a URI. In typical usage, templates would not normally be read from untrusted user input, but nonetheless, no...

Publify vulnerable to DoS attack

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

Rexical Command Injection Vulnerability

A command injection vulnerability appears in code generated by the Rexical gem versions v1.0.6 and earlier. It allows commands to be executed in a subprocess by Ruby's Kernel.open method...

Incorrect equality check in OpenSSL::X509::Name

The equality check of OpenSSL::X509::Name is not correctly in openssl extension library bundled with Ruby. An instance of OpenSSL::X509::Name contains entities such as CN, C and so on. Some two instances of OpenSSL::X509::Name are equal only when all entities are exactly equal. However, there is ...

Path Traversal in Sprockets

Specially crafted requests can be used to access files that exist on the filesystem that is outside an application's root directory, when the Sprockets server is used in production. All users running an affected release should either upgrade or use one of the work arounds immediately. Workaround:...

Unauthenticated Remote Code Execution Vulnerability

Puppet 2.7.x before 2.7.21 and 3.1.x before 3.1.1, when running Ruby 1.9.3 or later, allows remote attackers to execute arbitrary code via vectors related to "serialized attributes."...

Rails vulnerable to Cross-site Scripting

Multiple cross-site scripting XSS vulnerabilities in "actionview/lib/actionview/helpers/numberhelper.rb" in Ruby on Rails before 3.2.17, 4.0.x before 4.0.3, and 4.1.x before 4.1.0.beta2 allow remote attackers to inject arbitrary web script or HTML via the 1 format, 2 negativeformat, or 3 units...

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...

Directory Traversal Vulnerability With Certain Route Configurations

There is a vulnerability in the 'implicit render' functionality in Ruby on Rails.The implicit render functionality allows controllers to render a template, even if there is no explicit action with the corresponding name. This module does not perform adequate input sanitization which could allow a...

OS command injection flaw in awesome_spawn

Awesome spawn contains OS command injection vulnerability, which allows execution of additional commands passed to Awesome spawn as arguments, e.g. AwesomeSpawn.run'ls',:params = '-l' = ";touch haxored". If untrusted input was included in command arguments, attacker could use this flaw to execute...

command_wrap Gem for Ruby URI Handling Arbitrary Command Injection

commandwrap Gem for Ruby contains a flaw that is triggered during the handling of input passed via the URL that contains a semicolon character ;. This will allow a remote attacker to inject arbitrary commands and have them executed in the context of the user clicking it...

Spree app/models/spree/user.rb Mass Role Assignment Remote Privilege Escalation

Spree contains a flaw that leads to unauthorized privileges being gained. The issue is triggered as certain input related to mass role assignment in app/models/spree/user.rb is not properly verified before being used to update a user. This may allow a remote attacker to assign arbitrary roles and...

rubygem-sqlite3 gem uses weak file permissions

The sqlite3-ruby gem in the rubygem-sqlite3 package before 1.2.4-0.5.1 in SUSE Linux Enterprise SLE 11 SP1 uses weak permissions for unspecified files, which allows local users to gain privileges via unknown vectors...

More ruby integer overflows (rb_ary_fill / Array#fill)

Integer overflow in the rbaryfill function in array.c in Ruby before revision 17756 allows context-dependent attackers to cause a denial of service crash or possibly have unspecified other impact via a call to the Arrayfill method with a start aka beg argument greater than ARYMAXSIZE. NOTE: this...

Directory traversal vulnerability in WEBrick

Directory traversal vulnerability in WEBrick in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, 1.8.7 before 1.8.7-p22, and 1.9.0 before 1.9.0-2, when using NTFS or FAT filesystems, allows remote attackers to read arbitrary CGI files via a trailing 1 + plus, 2 %2b encode...

Rack's improper unfolding of folded multipart headers preserves CRLF in parsed parameter values

Summary Rack::Multipart::Parser unfolds folded multipart part headers incorrectly. When a multipart header contains an obs-fold sequence, Rack preserves the embedded CRLF in parsed parameter values such as filename or name instead of removing the folded line break during unfolding. As a result,...

ALTCHA Proof-of-Work Vulnerable to Challenge Splicing and Replay

Impact A cryptographic semantic binding flaw in ALTCHA libraries allows challenge payload splicing, which may enable replay attacks. The HMAC signature does not unambiguously bind challenge parameters to the nonce, allowing an attacker to reinterpret a valid proof-of-work submission with a modifi...

Rack session gets restored after deletion

Summary When using the Rack::Session::Pool middleware, simultaneous rack requests can restore a deleted rack session, which allows the unauthenticated user to occupy that session. Details Rack session middleware prepares the session at the beginning of request, then saves is back to the store wit...

Out-of-bounds Read in Ruby JSON Parser

Impact A specially crafted document could cause an out of bound read, most likely resulting in a crash. Versions 2.10.0 and 2.10.1 are impacted. Older versions are not. Patches Version 2.10.2 fixes the problem. Workarounds None...

Reflected XSS in Metrics Web Page

Reflected XSS in Sidekiq Web UI via the /metrics HTTP end-point and the substr query param: https://host/sidekiq/metrics?substr=foot%22%3E%3Cscript%20src=%22payload%22%20/%3E...

Possible Sensitive Session Information Leak in Active Storage

There is a possible sensitive session information leak in Active Storage. By default, Active Storage sends a Set-Cookie header along with the user’s session cookie when serving blobs. It also sets Cache-Control to public. Certain proxies may cache the Set-Cookie, leading to an information leak...

rswag vulnerable to arbitrary JSON and YAML file read via directory traversal

rswag before 2.10.1 allows remote attackers to read arbitrary JSON and YAML files via directory traversal, because rswag-api can expose a file that is not the OpenAPI or Swagger specification file of a project...

Doorkeeper Improper Authentication vulnerability

OAuth RFC 8252 says https://www.rfc-editor.org/rfc/rfc8252section-8.6 the authorization server SHOULD NOT process authorization requests automatically without user consent or interaction, except when the identity of the client can be assured. This includes the case where the user has previously...

RedCloth Regular Expression Denial of Service issue

A Regular Expression Denial of Service ReDoS issue was discovered in the "sanitizehtml" function of RedCloth gem = v4.0.0. This vulnerability allows attackers to cause a Denial of Service DoS via supplying a crafted payload...

Improper neutralization of data URIs may allow XSS in Loofah

Summary Loofah = 2.1.0, = 2.19.1...

Camaleon CMS Stored Cross-site Scripting vulnerability

In “Camaleon CMS” application, versions 0.0.1 through 2.6.0 are vulnerable to stored XSS, that allows unprivileged application users to store malicious scripts in the comments section of the post. These scripts are executed in a victim’s browser when they open the page containing the malicious...

Ruby OpenSSL DoS Vulnerability

The decode method in the OpenSSL::ASN1 module in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows attackers to cause a denial of service interpreter crash via a crafted string...

katello SQL Injection vulnerability

A SQL injection flaw was found in katello's errata-related API. An authenticated remote attacker can craft input data to force a malformed SQL query to the backend database, which will leak internal IDs. This is issue is related to an incomplete fix for CVE-2016-3072. Version 3.10 and older is...

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...

Improper Restriction of XML External Entity Reference (XXE) in Nokogiri on JRuby

Severity The Nokogiri maintainers have evaluated this as High Severity 7.5 CVSS3.0 for JRuby users. This security advisory does not apply to CRuby users. Impact In Nokogiri v1.12.4 and earlier, on JRuby only, the SAX parser resolves external entities by default. Users of Nokogiri on JRuby who par...

Code injection in Narou

Narou aka Narou.rb before 3.8.0 allows Ruby Code Injection via the title name or author name of a novel...

Code Injection vulnerability in CarrierWave::RMagick

Impact CarrierWave::RMagick has a Code Injection vulnerability. Its manipulate! method inappropriately evals the content of mutation option:read/:write, allowing attackers to craft a string that can be executed as a Ruby code. If an application developer supplies untrusted inputs to the option, i...

HTTP Request Smuggling in Agoo

agoo through 2.12.3 allows request smuggling attacks where agoo is used as a backend and a frontend proxy also being vulnerable. 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...

Remote command execution via filename

A remote shell execution vulnerability when using MiniMagick::Image.open with URL coming from unsanitized user input. e.g. MiniMagick::Image.open"| touch.txt"...

Arbitrary path traversal and file access via `yard server`

A path traversal vulnerability was discovered in YARD = 0.9.19 when using yard server to serve documentation. This bug would allow unsanitized HTTP requests to access arbitrary files on the machine of a yard server host under certain conditions. The issue is resolved in v0.9.20 and later...

Insecure Permissions in Phusion Passenger

"An Insecure Permissions vulnerability in SpawningKit in Phusion Passenger 5.3.x before 5.3.2 causes information disclosure in the following situation: given a Passenger-spawned application process that reports that it listens on a certain Unix domain socket, if any of the parent directories of...

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...

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...

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...

Possible Object Leak and Denial of Service attack in Action Pack

There is a possible object leak which can lead to a denial of service vulnerability in Action Pack. This vulnerability has been assigned the CVE identifier CVE-2016-0751. Versions Affected: All. Not affected: None. Fixed Versions: 5.0.0.beta1.1, 4.2.5.1, 4.1.14.1, 3.2.22.1 Impact ------ A careful...

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...