CVSS: 8.1EPSS: 1%CPEs: 16EXPL: 2CVE-2017-0902 – rubygems: DNS hijacking vulnerability
https://notcve.org/view.php?id=CVE-2017-0902
31 Aug 2017 — RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls. RubyGems 2.6.12 y anteriores es vulnerable a secuestro de DNS, lo que permite a un atacante Man-in-the-Middle (MitM) forzar el cliente RubyGems a que descargue e instale gemas desde un servidor que está bajo el control del atacante. A vulnerability was found where rubygems did not sanitize DNS respon... • http://blog.rubygems.org/2017/08/27/2.6.13-released.html • CWE-138: Improper Neutralization of Special Elements CWE-346: Origin Validation Error CWE-350: Reliance on Reverse DNS Resolution for a Security-Critical Action •
CVSS: 7.5EPSS: 2%CPEs: 16EXPL: 3CVE-2017-0901 – RubyGems < 2.6.13 - Arbitrary File Overwrite
https://notcve.org/view.php?id=CVE-2017-0901
31 Aug 2017 — RubyGems version 2.6.12 and earlier fails to validate specification names, allowing a maliciously crafted gem to potentially overwrite any file on the filesystem. RubyGems 2.6.12 y anteriores no valida con éxito los nombres de las especificaciones, permitiendo que una gema manipulada maliciosamente sobrescriba cualquier archivo en el sistema de archivos. It was found that rubygems did not sanitize gem names during installation of a given gem. A specially crafted gem could use this flaw to install files outs... • https://packetstorm.news/files/id/143993 • CWE-20: Improper Input Validation CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE-138: Improper Neutralization of Special Elements •
CVSS: 4.3EPSS: 0%CPEs: 71EXPL: 0CVE-2013-4363
https://notcve.org/view.php?id=CVE-2013-4363
17 Oct 2013 — Algorithmic complexity vulnerability in Gem::Version::ANCHORED_VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.2, 1.8.24 through 1.8.26, 2.0.x before 2.0.10, and 2.1.x before 2.1.5, as used in Ruby 1.9.0 through 2.0.0p247, allows remote attackers to cause a denial of service (CPU consumption) via a crafted gem version that triggers a large amount of backtracking in a regular expression. NOTE: this issue is due to an incomplete fix for CVE-2013-4287. Vulnerabilidad en la complejidad algo... • http://blog.rubygems.org/2013/09/24/CVE-2013-4363.html • CWE-310: Cryptographic Issues •
CVSS: 7.5EPSS: 1%CPEs: 59EXPL: 0CVE-2013-4287 – rubygems: version regex algorithmic complexity vulnerability
https://notcve.org/view.php?id=CVE-2013-4287
16 Oct 2013 — Algorithmic complexity vulnerability in Gem::Version::VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.1, 1.8.24 through 1.8.25, 2.0.x before 2.0.8, and 2.1.x before 2.1.0, as used in Ruby 1.9.0 through 2.0.0p247, allows remote attackers to cause a denial of service (CPU consumption) via a crafted gem version that triggers a large amount of backtracking in a regular expression. Vulnerabilidad en la complejidad algorítmicade Gem :: Versión :: VERSION_PATTERN en lib / rubygems / version.rb... • http://blog.rubygems.org/2013/09/09/CVE-2013-4287.html • CWE-310: Cryptographic Issues CWE-400: Uncontrolled Resource Consumption •