Vulnerabilities > Ruby Lang

DATE CVE VULNERABILITY TITLE RISK
2019-05-10 CVE-2019-11879 Link Following vulnerability in Ruby-Lang Webrick 1.4.2
The WEBrick gem 1.4.2 for Ruby allows directory traversal if the attacker once had local access to create a symlink to a location outside of the web root directory.
local
low complexity
ruby-lang CWE-59
5.5
2018-11-16 CVE-2018-16396 An issue was discovered in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3.
network
high complexity
ruby-lang canonical debian redhat
8.1
2018-11-16 CVE-2018-16395 An issue was discovered in the OpenSSL library in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3.
network
low complexity
ruby-lang canonical debian redhat
critical
9.8
2018-04-03 CVE-2018-8780 Path Traversal vulnerability in multiple products
In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, the Dir.open, Dir.new, Dir.entries and Dir.empty? methods do not check NULL characters.
network
low complexity
ruby-lang canonical debian CWE-22
critical
9.1
2018-04-03 CVE-2018-8779 Improper Input Validation vulnerability in multiple products
In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, the UNIXServer.open and UNIXSocket.open methods are not checked for null characters.
network
low complexity
ruby-lang canonical debian CWE-20
7.5
2018-04-03 CVE-2018-8778 Use of Externally-Controlled Format String vulnerability in multiple products
In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker controlling the unpacking format (similar to format string vulnerabilities) can trigger a buffer under-read in the String#unpack method, resulting in a massive and controlled information disclosure.
network
low complexity
ruby-lang canonical debian redhat CWE-134
7.5
2018-04-03 CVE-2018-8777 Resource Exhaustion vulnerability in multiple products
In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker can pass a large HTTP request with a crafted header to WEBrick server or a crafted body to WEBrick server/handler and cause a denial of service (memory consumption).
network
low complexity
ruby-lang debian canonical redhat CWE-400
7.5
2018-04-03 CVE-2018-6914 Path Traversal vulnerability in multiple products
Directory traversal vulnerability in the Dir.mktmpdir method in the tmpdir library in Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1 might allow attackers to create arbitrary directories or files via a ..
network
low complexity
ruby-lang canonical debian redhat CWE-22
7.5
2018-04-03 CVE-2017-17742 HTTP Response Splitting vulnerability in multiple products
Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1 allows an HTTP Response Splitting attack.
network
low complexity
ruby-lang debian CWE-113
5.3
2017-12-20 CVE-2017-17790 Injection vulnerability in Ruby-Lang Ruby
The lazy_initialize function in lib/resolv.rb in Ruby through 2.4.3 uses Kernel#open, which might allow Command Injection attacks, as demonstrated by a Resolv::Hosts::new argument beginning with a '|' character, a different vulnerability than CVE-2017-17405.
network
low complexity
ruby-lang CWE-74
critical
9.8