Heap-based Buffer Overread

The nokogiri gem contains a libxml2 package which is vulnerable to a heap-based buffer overread vulnerability. The vulnerability in libxml2 is referenced as CVE-2016-1833. Using a flaw in the htmlCurrentChar function, attackers can trigger the vulnerability using malicious XML input...

Heap-Based Buffer Overflow In Libxml2

nokogiri gem is using libxml2 which is vulnerable to CVE-2016-1834. The vulnerability exists when xmlStrlen returns a negative length in the xmlStrncat function. Therefore, it may lead to other attacks such as denial of service or arbitrary code execution through a heap-based buffer overflow usin...

Heap-based Buffer Overflow Through Embedded C Dependency

The nokogiri gem contains a libxml2 package which is vulnerable to heap-based buffer overflow. The vulnerability is due to CVE-2016-1839 which is caused when a malicious XML file is passed to xmllint in xmlDictAddString...

CVE-2016-4442

The CVE concerns the rack-mini-profiler gem for Ruby, specifically versions before 0.10.1. The underlying issue is an incorrect ordering of security checks that can allow remote attackers to obtain sensitive information about allocated strings and objects. This is confirmed in multiple connected ...

glamorgan-gem.co.uk XSS vulnerability

Vulnerable URL: http://www.glamorgan-gem.co.uk/search.cfm?sectionIs=search=LocalNews=2011="= Details: Description| Value ---|--- Patched:| No Latest check for patch:| 31.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 4438822 VIP website status:| No...

CVE-2013-7463

The aescrypt gem 1.0.0 for Ruby does not randomize the CBC IV for use with the AESCrypt.encrypt and AESCrypt.decrypt functions, which allows attackers to defeat cryptographic protection mechanisms via a chosen plaintext attack...

CVE-2013-7463

The CVE refers to the aescrypt gem (Ruby) version 1.0.0, where CBC IVs are not randomized for AESCrypt.encrypt and AESCrypt.decrypt. This omission enables a chosen-plaintext attack that defeats cryptographic protection. The NVD entry lists CVSS v3.0 base score 7.5 (HIGH) with network attack, no p...

CVE-2013-7463

The aescrypt gem 1.0.0 for Ruby does not randomize the CBC IV for use with the AESCrypt.encrypt and AESCrypt.decrypt functions, which allows attackers to defeat cryptographic protection mechanisms via a chosen plaintext attack...

Nokogiri gem contains several vulnerabilities in libxml2 and libxslt

Nokogiri version 1.7.1 has been released, pulling in several upstream patches to the vendored libxml2 to address the following CVEs: CVE-2016-4658 CVSS v3 Base Score: 9.8 Critical libxml2 in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3 allows remote attackers to...

Ruby: sprintf combined format string attack

In a ticket that was also reported to "shopify-scripts" regarding "MRuby", I reported in details a combined attack against the sprintf gem: Information leak Heap buffer underflow The full ticket details can be found in: Ticket 212239 The ticked was opened several minutes ago but I add it in case ...

shopify-scripts: sprintf gem - format string combined attack

In the sprintf gem, NOT included in mruby-engine, there are severe vulnerabilities, including information leak, and heap buffer overflow. Here are the technical details. Technical Error 1: ============== The CHECKl macro can sometimes receive negative values, that will bypass the size checks, sin...

festivaltts4r gem for Ruby Remote Command Execution Vulnerability

The festivaltts4r gem for Ruby is a Ruby-based language interface for the Festival TTS speech synthesis system. A security vulnerability exists in the festivaltts4r gem for Ruby. A remote attacker can exploit this vulnerability by sending a string with shell metacharacters to the tospeech or tomp...

CVE-2016-10193

The espeak-ruby gem before 1.0.3 for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in a string to the speak, save, bytes or byteswav method in lib/espeak/speech.rb...

CVE-2017-5946

The Zip::File component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability. If a site allows uploading of .zip files, an attacker can upload a malicious file that uses "../" pathname substrings to write arbitrary files to the filesystem...

rubyzip gem Zip::File component directory traversal vulnerability

The rubyzip gem is a Ruby library for reading and writing zip files. A directory traversal vulnerability exists in the Zip::File component of the rubyzip gem. An attacker can exploit the vulnerability by uploading a malicious file to write an arbitrary file to the file system...

rubygem-i18n: cross-site scripting flaw in exception handling

Cross-site scripting XSS vulnerability in exceptions.rb in the i18n gem before 0.6.6 for Ruby allows remote attackers to inject arbitrary web script or HTML via a crafted I18n::MissingTranslationData.new call...

CVE-2017-5946

The Zip::File component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability. If a site allows uploading of .zip files, an attacker can upload a malicious file that uses "../" pathname substrings to write arbitrary files to the filesystem...

CVE-2017-5946

The Zip::File component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability. If a site allows uploading of .zip files, an attacker can upload a malicious file that uses "../" pathname substrings to write arbitrary files to the filesystem...

CVE-2017-5946

The Zip::File component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability. If a site allows uploading of .zip files, an attacker can upload a malicious file that uses "../" pathname substrings to write arbitrary files to the filesystem...

CVE-2017-5946

CVE-2017-5946 – Rubyzip directory traversal vulnerability : The Zip::File component of the rubyzip gem for Ruby (pre-1.2.1) allows a ZIP archive to write files outside the target directory when a ZIP upload contains paths with "..". This enables arbitrary file writes on the filesystem if a site p...