Vulnerabilities > Ruby Lang > Medium

DATE CVE VULNERABILITY TITLE RISK
2019-11-26 CVE-2011-3624 Injection vulnerability in Ruby-Lang Ruby 1.8.7/1.9.2
Various methods in WEBrick::HTTPRequest in Ruby 1.9.2 and 1.8.7 and earlier do not validate the X-Forwarded-For, X-Forwarded-Host and X-Forwarded-Server headers in requests, which might allow remote attackers to inject arbitrary text into log files or bypass intended address parsing via a crafted header.
network
low complexity
ruby-lang CWE-74
5.0
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. 6.8
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
5.0
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
5.0
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
5.0
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
5.0
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
2017-09-19 CVE-2017-14033 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Ruby-Lang Ruby
The decode method in the OpenSSL::ASN1 module in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows attackers to cause a denial of service (interpreter crash) via a crafted string.
network
low complexity
ruby-lang CWE-119
5.0
2017-09-15 CVE-2017-0898 Use of Externally-Controlled Format String vulnerability in Ruby-Lang Ruby
Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a malicious format string which contains a precious specifier (*) with a huge minus value.
network
low complexity
ruby-lang CWE-134
6.4