An issue was discovered in Ruby 2.5.x through 2.5.7 2.6.x through 2.6.5 and 2.7.0. If a victim calls BasicSocket#read_nonblock(requested_size buffer exception: false) the method resizes the buffer to fit the requested size but no data is copied. Thus the buffer string provides the previous value of the heap. This may expose possibly sensitive data from the interpreter.

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ruby: Tainted flags are not propagated in Array#pack and String#unpack with some directives

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. It does not taint strings that result from unpacking tainted strings with some formats...

DEBIAN-CVE-2019-16201

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network...

ALPINE-CVE-2019-16201

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network...

ALPINE-CVE-2019-15845

Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 mishandles path checking within File.fnmatch functions...

UBUNTU-CVE-2019-16201

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network...

PT-2019-5086

Name of the Vulnerable Software and Affected Versions Loofah gem for Ruby versions through 2.3.0 Description The issue is related to the Loofah gem for Ruby, where unsanitized JavaScript may occur in sanitized output when a crafted SVG element is republished. This could potentially allow a remote...

ruby: Tainted flags are not propagated in Array#pack and String#unpack with some directives

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. It does not taint strings that result from unpacking tainted strings with some formats...

Design/Logic Flaw

A TLS certificate validation flaw was found in Elastic APM agent for Ruby versions before 2.9.0. When specifying a trusted server CA certificate via the 'servercacert' setting, the Ruby agent would not properly verify the certificate returned by the APM server. This could result in a man in the...

PT-2019-4672 · Ruby +8 · Ruby +8

Name of the Vulnerable Software and Affected Versions: Ruby versions 2.4.7 and earlier, 2.5.x through 2.5.6, 2.6.x through 2.6.4 Description: The issue is related to a regular expression Denial of Service caused by looping/backtracking in the WEBrick::HTTPAuth::DigestAuth class in Ruby. This can ...

USN-3945-1 ruby1.9.1, ruby2.0, ruby2.3, ruby2.5 vulnerabilities

It was discovered that Ruby incorrectly handled certain RubyGems. An attacker could possibly use this issue to execute arbitrary commands. CVE-2019-8320 It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code...

ruby: Tainted flags are not propagated in Array#pack and String#unpack with some directives

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. It does not taint strings that result from unpacking tainted strings with some formats...

rubygems: Infinite loop vulnerability due to negative size in tar header causes Denial of Service

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a infinite loop caused by negative size vulnerability in ruby gem package tar header that can...

USN-3808-1 ruby1.9.1, ruby2.0, ruby2.3, ruby2.5 vulnerabilities

It was discovered that Ruby incorrectly handled certain X.509 certificates. An attacker could possibly use this issue to bypass the certificate check. CVE-2018-16395 It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code...

USN-3621-2 ruby1.9.1, ruby2.0 regression

USN-3621-1 fixed vulnerabilities in Ruby. The update caused an issue due to an incomplete patch for CVE-2018-1000074. This update reverts the problematic patch pending further investigation. We apologize for the inconvenience. Original advisory details: It was discovered that Ruby incorrectly...

CVE-2018-8779

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. It may be connected to an unintended socket...

DEBIAN-CVE-2017-17742

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. An attacker can inject a crafted key and value into an HTTP response for the HTTP server of WEBrick...

ALPINE-CVE-2018-8777

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...

ALPINE-CVE-2018-8779

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. It may be connected to an unintended socket...

ALPINE-CVE-2017-17742

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. An attacker can inject a crafted key and value into an HTTP response for the HTTP server of WEBrick...