CVE-2015-1855 describes a hostname validation vulnerability in the OpenSSL extension of Ruby versions prior to 2.0.0 patchlevel 645, 2.1.6, and 2.2.2, affecting products like Debian and Puppet. This medium-severity vulnerability (CVSS 5.9) allows remote attackers to spoof servers due to improper handling of wildcards, case sensitivity, and non-ASCII characters in hostnames. While the attack complexity is high, a successful exploit could lead to significant integrity impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.1.0, < 2.1.6CPE matchmatch criteria | cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* | ||
>= 2.2.0, < 2.2.2CPE matchmatch criteria | cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* | ||
2.0.0CPE matchmatch criteria | cpe:2.3:a:ruby-lang:ruby:2.0.0:-:*:*:*:*:*:* | ||
2.0.0CPE matchmatch criteria | cpe:2.3:a:ruby-lang:ruby:2.0.0:p0:*:*:*:*:*:* | ||
2.0.0CPE matchmatch criteria | cpe:2.3:a:ruby-lang:ruby:2.0.0:p195:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
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