CVE-2015-3900 describes a DNS hijack vulnerability in RubyGems versions 2.0.x, 2.2.x, and 2.4.x, affecting products like Oracle, Red Hat, and Ruby-lang. The flaw allows remote attackers to redirect gem fetching and API requests to arbitrary domains by manipulating DNS SRV records due to a lack of hostname validation. With a CVSS score of 5.0, this vulnerability has a low attack complexity and could lead to unauthorized data modification (integrity impact), though confidentiality and availability are not directly affected. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness within the security community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.9CPE matchmatch criteria | cpe:2.3:a:ruby-lang:ruby:1.9:*:*:*:*:*:*:* | ||
1.9.1CPE matchmatch criteria | cpe:2.3:a:ruby-lang:ruby:1.9.1:*:*:*:*:*:*:* | ||
1.9.2CPE matchmatch criteria | cpe:2.3:a:ruby-lang:ruby:1.9.2:*:*:*:*:*:*:* | ||
1.9.3CPE matchmatch criteria | cpe:2.3:a:ruby-lang:ruby:1.9.3:*:*:*:*:*:*:* | ||
2.0.0CPE matchmatch criteria | cpe:2.3:a:ruby-lang:ruby:2.0.0:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:P/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.