1279 matches found
Several quadratic complexity bugs may lead to denial of service in Commonmarker
Impact Several quadratic complexity bugs in commonmarker's underlying cmark-gfm library may lead to unbounded resource exhaustion and subsequent denial of service. The following vulnerabilities were addressed: CVE-2023-37463 For more information, consult the release notes for version 0.29.0.gfm.1...
Advanced Content Filter (ACF) vulnerability allowing to execute JavaScript code using malformed HTML
Affected packages The vulnerability has been discovered in the Advanced Content Filter ACF module and may affect all plugins used by CKEditor 4. Impact A potential vulnerability has been discovered in CKEditor 4 Advanced Content Filter ACF core module. The vulnerability allowed to inject malforme...
Command Injection in lodash
lodash versions prior to 4.17.21 are vulnerable to Command Injection via the template function...
Prototype Pollution in lodash
Versions of lodash prior to 4.17.19 are vulnerable to Prototype Pollution. The functions pick, set, setWith, update, updateWith, and zipObjectDeep allow a malicious user to modify the prototype of Object if the property identifiers are user-supplied. Being affected by this issue requires...
Prototype Pollution in lodash
Versions of lodash before 4.17.12 are vulnerable to Prototype Pollution. The function defaultsDeep allows a malicious user to modify the prototype of Object via constructor: prototype: ... causing the addition or modification of an existing property that will exist on all objects. Recommendation...
Buffer under-read in String#unpack
An attacker controlling the unpacking format similar to format string vulnerabilities can trigger a buffer under-read in the Stringunpack method, resulting in a massive and controlled information disclosure. Stringunpack receives format specifiers as its parameter, and can be specified the positi...
Ruby http/xmlrpc server DoS
The HTTP/XMLRPC server in Ruby before 1.8.2 uses blocking sockets, which allows attackers to cause a denial of service blocked connections via a large amount of data...
SVG `href` attribute bypasses local-reference restriction in Loofah
Summary Loofah's HTML5 sanitizer restricted only the xlink:href attribute on certain SVG elements to local, same-document references. Browsers also accept a plain href attribute as an alternative to the deprecated xlink:href per the SVG 2 spec, but Loofah did not apply the same restriction to it,...
Decidim - CSV census record endpoints improper authorization
Description A participant manager can access and modify the CSV census record admin forms. Impact Any participant admin can create, alter, or remove CSV census rows, which can corrupt verification data relied on by authorization workflows. Credits This issue was discovered in a security audit...
Decidim - Verification admins can access supplied IDs from other organizations
Description The verification admin mutation flow allows accessing, verifying, and rejecting participants records from another tenant. Impact A tenant admin can access, reject or approve another tenant's iddocuments requests. Credits This issue was discovered in a security audit organized by the...
OAuth2::Client#request: Protocol-relative redirect Location overrides authority, leaking bearer Authorization to attacker host
Summary When an application uses OAuth2::Client typically via an OAuth2::AccessToken and the configured authorization server returns a redirect whose Location header is a protocol-relative URI of the form //attacker.example/leak, OAuth2::Clientrequest resolves the redirect with...
CSP directive injection via sandbox, plugin_types, and report_to when given untrusted input
Summary secureheaders builds the Content-Security-Policy value by stitching every configured directive together with ; separators. Three directive builders buildsandboxlistdirective, buildmediatypelistdirective, buildreporttodirective interpolate caller-supplied strings into that value without...
Trusting FTP PASV responses vulnerability in Net::FTP
A malicious FTP server can use the PASV response to trick Net::FTP into connecting back to a given IP address and port. This potentially makes curl extract information about services that are otherwise private and not disclosed e.g., the attacker can conduct port scans and service banner...
CamaleonCMS 2.9.1 Server-Side Template Injection via test_email Action
CamaleonCMS 2.9.1 contains a server-side template injection vulnerability that allows authenticated administrators to execute arbitrary commands by embedding ERB tags in the email parameter of the testemail settings action, which are evaluated when an SMTP rejection reflects the recipient address...
Ruby JSON - JSON::ResumableParser#partial_value dereferences a freed input buffer and crashes on truncated duplicate-key streams
Summary Ruby's JSON native C extension clears the consumed JSON::ResumableParser input buffer but leaves state.start, state.cursor, and state.end pointing into released storage. When partialvalue reconstructs an incomplete object containing duplicate keys, the duplicate-key warning path calls...
Camaleon CMS (2.1.1 to 2.9.1) contains an authenticated RCE vulnerability
Camaleon CMS versions 2.1.1 through 2.9.1 contains an authenticated remote code execution RCE vulnerability that allows users with customfields manage permission to execute arbitrary Ruby code by supplying a malicious expression through the selecteval custom field type. Attackers can store an...
Pagy I18n locale option is not validated before being used in a file path
Summary Pagy::I18n.locale= did not validate its argument before using it as a path component to load the matching dictionary file .yml. An application that assigns untrusted input to the locale — e.g. the common pattern Pagy::I18n.locale = params:locale — let that input influence which file Pagy...
Possible XSS vulnerability with certain configurations of rails-html-sanitizer
Summary There is a possible cross-site scripting vulnerability in rails-html-sanitizer when the sanitizer is configured to allow an SVG reference element such as . See related GHSA-9wjq-cp2p-hrgf in Loofah, whose SVG local-reference logic rails-html-sanitizer mirrors. Impact...
Decidim - Verification documents can be downloaded through reusable links
Description Scanned identity-document images provided by participants and shown in the verification admin workflow are exposed through signed /rails/activestorage/disk/ URLs that can be fetched without any authenticated session. Anyone who obtains one of those URLs can retrieve the document until...
Decidim - HTML content blocks allow stored script execution
Description A privileged admin user who can edit an affected landing page can store arbitrary HTML/JavaScript in an HTML block, and the public page renders it with htmlsafe and no output escaping. Impact - A user with landing-page editing rights for an affected scope can persist JavaScript that...
Inclusion of Functionality from Untrusted Control Sphere in CKEditor 4
It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space in the Autolink plugin...
Stored XSS via HTMLParser attribute injection on paste
Impact The Trix editor, in versions prior to 2.1.18, is vulnerable to XSS when crafted HTML is pasted into the editor. The HTMLParser processed a mock attachment, a carrying an empty data-trix-attachment="". The empty attachment object caused the element to bypass attachment handling, so its...
Trix has a Stored XSS vulnerability through serialized attributes
Impact The Trix editor, in versions prior to 2.1.17, is vulnerable to XSS attacks when a data-trix-serialized-attributes attribute bypasses the DOMPurify sanitizer. An attacker could craft HTML containing a data-trix-serialized-attributes attribute with a malicious payload that, when the content ...
An untrusted pointer dereference in mrb_vm_exec() of mruby 3.0.0
An untrusted pointer dereference in mrbvmexec of mruby v3.0.0 can lead to a segmentation fault or application crash. PATCH INFO - Mruby 5613 described the issue and Matz cited 5619 and 5620 as "been addressed" on 2/16/2022. - Found the 5619 commit on 12/31/2021 in 3.1.0-rc release. - Found the 56...
kobako Sandbox Escape - guest eval reaches host RCE via method_missing → public_send (any bound Service)
Summary A guest mruby script running inside the Kobako sandbox can execute arbitrary Ruby in the host process, fully escaping the sandbox. Impact Complete sandbox escape leading to remote code execution in the host process, defeating the gem's central guarantee of isolating untrusted mruby script...
Loofah `allowed_uri?` does not detect `javascript:` URIs split by named whitespace character references
Summary Loofah::HTML5::Scrub.alloweduri? does not correctly reject javascript: URIs when the scheme is split or prefixed by the HTML5 named character references tab or line feed. This is a bypass of the fix for GHSA-46fp-8f5p-pf2m, which handled the equivalent numeric character references , , but...
Trix is vulnerable to XSS through JSON deserialization bypass in drag-and-drop (Level0InputController)
Impact The Trix editor, in versions prior to 2.1.18, is vulnerable to XSS when a crafted application/x-trix-document JSON payload is dropped into the editor in environments using the fallback Level0InputController e.g., embedded WebViews lacking Input Events Level 2 support. The...
Cassandra Web 0.5.0 contains a directory traversal vulnerability
Cassandra Web 0.5.0 contains a directory traversal vulnerability that allows unauthenticated attackers to read arbitrary files by manipulating path traversal parameters. Attackers can exploit the disabled Rack::Protection module to read sensitive system files like /etc/passwd and retrieve Apache...