CVE-2009-0642 describes a vulnerability in Ruby versions 1.8 and 1.9, specifically within the ext/openssl/ossl_ocsp.c component. This flaw stems from an insufficient check of the OCSP_basic_verify function's return value, potentially allowing remote attackers to present and validate invalid X.509 certificates, including revoked ones. With a CVSS score of 6.8, this vulnerability is of medium severity, requiring medium attack complexity and potentially leading to partial compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion for this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.8CPE matchmatch criteria | cpe:2.3:a:ruby-lang:ruby:1.8:*:*:*:*:*:*:* | ||
1.9CPE matchmatch criteria | cpe:2.3:a:ruby-lang:ruby:1.9:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.