Basecamp: Insecure Bundler configuration fetching internal Gems (okra) from Rubygems.org

I believe most likely that one of your projects is not set up correctly to only pull internal gems from your internal gem server, and instead will pull gems from Rubygems.org if the version number there is higher. Specifically, the "okra" gem. At around 15:21 today UTC the okra gem that I wrote –...

UBUNTU-CVE-2021-21305

CarrierWave is an open-source RubyGem which provides a simple and flexible way to upload files from Ruby applications. In CarrierWave before versions 1.3.2 and 2.1.1, there is a code injection vulnerability. The "manipulate!" method inappropriately evals the content of mutation option:read/:write...

UBUNTU-CVE-2021-20176

A divide-by-zero flaw was found in ImageMagick 6.9.11-57 and 7.0.10-57 in gem.c. This flaw allows an attacker who submits a crafted file that is processed by ImageMagick to trigger undefined behavior through a division by zero. The highest threat from this vulnerability is to system availability...

Command injection

The ftpd gem 0.2.1 for Ruby allows remote attackers to execute arbitrary OS commands via shell metacharacters in a LIST or NLST command argument within FTP protocol traffic...

CVE-2013-2512

The CVE-2013-2512 entry concerns the ftpd gem for Ruby (version 0.2.1). Affected component: the FTP command handling (LIST/NLST) that accepts arguments containing shell metacharacters. Root cause: improper sanitization allows remote attackers to execute arbitrary OS commands through crafted FTP t...

Ruby OS Command Injection Vulnerability

Ruby is a cross-platform, object-oriented, dynamically typed programming language from the individual developer, Yukihiro Matsumoto. A security vulnerability in Ruby ftpd gem 0.2.1 allows remote attackers to execute arbitrary operating system commands...

PT-2021-3554 · Unknown +5 · Imagemagick +5

Name of the Vulnerable Software and Affected Versions: ImageMagick versions 6.9.11-57 through 7.0.10-57 Description: The issue is related to a divide-by-zero flaw in the gem.c file of ImageMagick, which can be exploited by submitting a crafted file to trigger undefined behavior. This flaw poses a...

CVE-2020-8264

In actionpack gem = 6.0.0, a possible XSS vulnerability exists when an application is running in development mode allowing an attacker to send or embed in another page a specially crafted URL which can allow the attacker to execute JavaScript in the context of the local application. This...

Cross site scripting

In actionpack gem = 6.0.0, a possible XSS vulnerability exists when an application is running in development mode allowing an attacker to send or embed in another page a specially crafted URL which can allow the attacker to execute JavaScript in the context of the local application. This...

CVE-2020-8264

In actionpack gem = 6.0.0, a possible XSS vulnerability exists when an application is running in development mode allowing an attacker to send or embed in another page a specially crafted URL which can allow the attacker to execute JavaScript in the context of the local application. This...

CVE-2020-8264

The connected OSV advisories indicate fixes for actionpack-related issues in the ruby2.7-rubygem-actionpack-6.0-6.0.4-1.2 package (GA OpenSUSE Tumbleweed). For CVE-2020-8264, the vulnerability is described as a development-mode XSS in the Actionable Exceptions middleware of actionpack >= 6.0. ...

UBUNTU-CVE-2020-26247

Nokogiri is a Rubygem providing HTML, XML, SAX, and Reader parsers with XPath and CSS selector support. In Nokogiri before version 1.11.0.rc4 there is an XXE vulnerability. XML Schemas parsed by Nokogiri::XML::Schema are trusted by default, allowing external resources to be accessed over the...

Microsoft Windows DrawIconEx Local Privilege Escalation Exploit

This Metasploit module exploits CVE-2020-1054, an out of bounds write reachable from DrawIconEx within win32k. The out of bounds write can be used to overwrite the pvbits of a SURFOBJ. By utilizing this vulnerability to execute controlled writes to kernel memory, an attacker can gain arbitrary co...

Denial Of Service (DoS)

imagemagick is vulnerable to denial of service. An attacker is able to crash the application via a malicious file due to an integer overflow and division by zero in MagickCore/gem-private.h...

rubygem-secure_headers: directive injection when using dynamic overrides with user input

A flaw was found in rubygem-secureheaders in versions prior to 6.2.0, 5.1.0, and 3.8.0. If user-supplied input was passed into append/overridecontentsecuritypolicydirectives, a semicolon could be injected leading to directive injection which could be used to override a script-src directive. The...

rubygem-websocket-extensions: ReDoS vulnerability in Sec-WebSocket-Extensions parser

A flaw was found in the websocket-extensions ruby module in versions prior to 0.1.5. The parser may take quadratic time when parsing a header containing an unclosed string parameter value whose content is a repeating two-byte sequence of a backslash and another character. When abused by an...

rubygem-actionview: views that use the `j` or `escape_javascript` methods are susceptible to XSS attacks

A flaw was found in rubygem-actionview. Views that use the j or escapejavascript methods may be susceptible to XSS attacks with ActionView's JavaScript literal escape helpers. The highest threat from this vulnerability is to data confidentiality and integrity...

rubygem-secure_headers: limited header injection when using dynamic overrides with user input

A directive injection vulnerability was found in Secure Headers RubyGem before versions 3.9.0, 5.2.0, and 6.3.0. If user-supplied input was passed into the vulnerable function, a new line could be injected, leading to limited header injection, which could create a new Content Security Policy head...

rubygem-rack: hijack sessions by using timing attacks targeting the session id

A flaw was found in rubygem-rack in versions prior to 1.6.12 and 2.0.8. An information leak may allow an attacker to find and hijack sessions using timing attacks targeting the session ID. The highest threat from the vulnerability is to data confidentiality...

SUSE-SU-2020:2929-1 Security update for rubygem-activesupport-4_2

This update for rubygem-activesupport-42 fixes the following issues: - CVE-2020-8165: Fixed deserialization of untrusted data in MemCacheStore potentially resulting in remote code execution bsc1172186...