NVD Vulnerability Detail
Search Exploit, PoC
CVE-2009-0642
Summary

ext/openssl/ossl_ocsp.c in Ruby 1.8 and 1.9 does not properly check the return value from the OCSP_basic_verify function, which might allow remote attackers to successfully present an invalid X.509 certificate, possibly involving a revoked certificate.

Summary

ext/openssl/ossl_ocsp.c en Ruby v1.8 y v1.9 no comprueba adecuadamente el valor de retorno de la funcion OCSP_basic_verify, lo cual permitiria a atacantes remotos tener exito en la presentacion de un certificado X.509 invalido, posiblemente utilizando un certificado revocado.

Publication Date Feb. 20, 2009, 3:47 p.m.
Registration Date Jan. 29, 2021, 1:15 p.m.
Last Update April 23, 2026, 9:35 a.m.
CVSS2.0 : MEDIUM
Score 6.8
Vector AV:N/AC:M/Au:N/C:P/I:P/A:P
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC) 中
攻撃前の認証要否(Au) 不要
機密性への影響(C) 低
完全性への影響(I) 低
可用性への影響(A) 低
Get all privileges. いいえ
Get user privileges いいえ
Get other privileges いいえ
User operation required いいえ
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:ruby-lang:ruby:1.8:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List