Ecosystem
RubyGems
1,141 known vulnerabilities.
Most affected packages
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High 7.4
Regression in JWT Signature Validation
omniauth-auth0 (rubygems) versions >= 2.3.0 and < 2.4.1 improperly validate the JWT token signature when using the `jwt_validator.verify` method. Improper validation of the JWT token signature can allow an attacker to bypass authentication and authorization. …
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High 7.4
Expired token reuse in Spree
In Spree before versions 3.7.11, 4.0.4, or 4.1.11, expired user tokens could be used to access Storefront API v2 endpoints. The issue is patched in versions 3.7.11, 4.0.4 and 4.1.11. A workaround without upgrading is described in the linked advisory.
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High 7.5CVE-2020-25613 Public exploit
WEBRick vulnerable to HTTP Request/Response Smuggling
An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypa…
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High 7.4
Improper Certificate Validation in oauth ruby gem
lib/oauth/consumer.rb in the oauth-ruby gem through 0.5.4 for Ruby does not verify server X.509 certificates if a certificate bundle cannot be found, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information.
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High 7.0
Insecure path handling in Bundler
Bundler prior to 2.1.0 uses a predictable path in /tmp/, created with insecure permissions as a storage location for gems, if locations under the user's home directory are not available. If Bundler is used in a scenario where the user does not have a writable…
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High 8.1
PgHero gem allows CSRF
The PgHero gem through 2.6.0 for Ruby allows CSRF.
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High 8.0
Missing TLS certificate verification in Faye Websocket
In faye-websocket before version 0.11.0, there is a lack of certification validation in TLS handshakes. The `Faye::WebSocket::Client` class uses the `EM::Connection#start_tls` method in EventMachine to implement the TLS handshake whenever a `wss:` URL is used…
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High 8.0
Missing TLS certificate verification in Faye
Faye before version 1.4.0, there is a lack of certification validation in TLS handshakes. Faye uses em-http-request and faye-websocket in the Ruby version of its client. Those libraries both use the `EM::Connection#start_tls` method in EventMachine to impleme…
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High 7.4CVE-2020-8203 Public exploit
Prototype Pollution in lodash
Prototype pollution attack when using _.zipObjectDeep in lodash before 4.17.20.
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High 8.8
Remote code execution via user-provided local names in ActionView
The is a code injection vulnerability in versions of Rails prior to 5.0.1 that wouldallow an attacker who controlled the `locals` argument of a `render` call to perform a RCE.
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High 8.6
Directory traversal in Rack::Directory app bundled with Rack
A directory traversal vulnerability exists in rack < 2.2.0 that allows an attacker perform directory traversal vulnerability in the Rack::Directory app that is bundled with Rack which could result in information disclosure.
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High 7.5
Possible Strong Parameters Bypass in ActionPack
A deserialization of untrusted data vulnerability exists in rails < 5.2.4.3, rails < 6.0.3.1 which can allow an attacker to supply information can be inadvertently leaked fromStrong Parameters.
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High 7.5CVE-2020-8162 Public exploit
Circumvention of file size limits in ActiveStorage
A client side enforcement of server side security vulnerability exists in rails < 5.2.4.2 and rails < 6.0.3.1 ActiveStorage's S3 adapter that allows the Content-Length of a direct file upload to be modified by an end user bypassing upload limits.
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High 7.5
Rack allows Percent-encoded cookies to overwrite existing prefixed cookie names
A reliance on cookies without validation/integrity check security vulnerability exists in rack < 2.2.3, rack < 2.1.4 that makes it is possible for an attacker to forge a secure or host-only cookie prefix.
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High 7.3
Cross-site Scripting in Sanitize
In Sanitize (RubyGem sanitize) greater than or equal to 3.0.0 and less than 5.2.1, there is a cross-site scripting vulnerability. When HTML is sanitized using Sanitize's "relaxed" config, or a custom config that allows certain elements, some content in a math…
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High 7.5
HTTP Request Smuggling in goliath
goliath through 1.0.6 allows request smuggling attacks where goliath 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 Tra…
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High 8.2
Regular Expression Denial of Service in websocket-extensions (RubyGem)
websocket-extensions ruby module prior to 0.1.5 allows Denial of Service (DoS) via Regex Backtracking. The extension parser may take quadratic time when parsing a header containing an unclosed string parameter value whose content is a repeating two-byte seque…
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High 7.5
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 Encodi…
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High 7.4
Improper Certificate Validation in EM-HTTP-Request
EM-HTTP-Request 1.1.5 uses the library eventmachine in an insecure way that allows an attacker to perform a man-in-the-middle attack against users of the library. The hostname in a TLS server certificate is not verified.
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High 7.5CVE-2020-11076 Public exploit
HTTP Smuggling via Transfer-Encoding Header in Puma
In Puma (RubyGem) before 4.3.4 and 3.12.5, an attacker could smuggle an HTTP response, by using an invalid transfer-encoding header. The problem has been fixed in Puma 3.12.5 and Puma 4.3.4.
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High 7.4
Improper certificate validation in em-imap
em-imap 0.5 uses the library eventmachine in an insecure way that allows an attacker to perform a man-in-the-middle attack against users of the library. The hostname in a TLS server certificate is not verified.
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High 7.5
Information disclosure issue in Active Resource
There is a possible information disclosure issue in Active Resource <v5.1.1 that could allow an attacker to create specially crafted requests to access data in an unexpected way and possibly leak information.
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High 8.3
Improper Restriction of Excessive Authentication Attempts in Sorcery
In Sorcery before 0.15.0, there is a brute force vulnerability when using password authentication via Sorcery. The brute force protection submodule will prevent a brute force attack for the defined lockout period, but once expired, protection will not be re-e…
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High 7.5
Exposure of Sensitive Information to an Unauthorized Actor in Doorkeeper
Doorkeeper version 5.0.0 and later contains an information disclosure vulnerability that allows an attacker to retrieve the client secret only intended for the OAuth application owner. After authorizing the application and allowing access, the attacker simply…
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High 8.5
Authentication and extension bypass in Faye
Faye (NPM, RubyGem) versions greater than 0.5.0 and before 1.0.4, 1.1.3 and 1.2.5, has the potential for authentication bypass in the extension system. The vulnerability allows any client to bypass checks put in place by server-side extensions, by appending e…
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High 7.5CVE-2020-10663 Public exploit
Unsafe object creation in json RubyGem
The JSON gem through 2.2.0 for Ruby, as used in Ruby 2.4 through 2.4.9, 2.5 through 2.5.7, and 2.6 through 2.6.5, has an Unsafe Object Creation Vulnerability. This is quite similar to CVE-2013-0269, but does not rely on poor garbage-collection behavior within…
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High 7.7
Sort order SQL injection 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 `dir…
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High —
Denial of Service in uap-core when processing crafted User-Agent strings
### Impact Some regexes are vulnerable to regular expression denial of service (REDoS) due to overlapping capture groups. This allows remote attackers to overload a server by setting the User-Agent header in an HTTP(S) request to maliciously crafted long stri…
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High 7.5
Moped Rubygem Data Injection Vulnerability
The Moped::BSON::ObjecId.legal? method in rubygem-moped before commit dd5a7c14b5d2e466f7875d079af71ad19774609b allows remote attackers to cause a denial of service (worker resource consumption) or perform a cross-site scripting (XSS) attack via a crafted stri…
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High 7.5
BSON rubygem contains potential denial of service
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…
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High 7.5
Nokogiri is vulnerable to XML External Entity (XXE) attack
Nokogiri before 1.5.4 is vulnerable to XXE attacks
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High 7.7
XSS/Script injection vulnerability in matestack
matestack-ui-core (RubyGem) before 0.7.4 is vulnerable to XSS/Script injection. This vulnerability is patched in version 0.7.4.
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High 7.5
libxml as used in Nokogiri has an infinite loop in a certain end-of-file situation
xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.
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High 7.5
Publify vulnerable to DoS attack
Publify before 8.0.1 is vulnerable to a Denial of Service attack
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High 7.5
omniauth-facebook Improper Authentication vulnerability
RubyGem omniauth-facebook has an access token security vulnerability
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High 7.5
Nokogiri implementation of libxslt vulnerable to heap corruption
Type confusion in xsltNumberFormatGetMultipleLevel prior to libxslt 1.1.33 could allow attackers to potentially exploit heap corruption via crafted XML data.
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High 7.5
RubyGems passenger gem allows remote attackers to delete files
RubyGems passenger 4.0.0 betas 1 and 2 allows remote attackers to delete arbitrary files during the startup process.
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High 7.5
JSON-jwt Gem lacked element count during splitting of JWE string
The json-jwt gem before 1.11.0 for Ruby lacks an element count during the splitting of a JWE string.
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High 7.3
Prototype Pollution in chartkick
Chartkick.js 3.1.0 through 3.1.3, as used in the Chartkick gem before 3.3.0 for Ruby, allows prototype pollution.
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High 7.5
Missing Initialization of Resource in Apache Arrow
It was discovered that the C++ implementation (which underlies the R, Python and Ruby implementations) of Apache Arrow 0.14.0 to 0.14.1 had a uninitialized memory bug when building arrays with null values in some cases. This can lead to uninitialized memory b…