CVE-2015-3900

EPSS 2.4%

RubyGems vulnerable to DNS hijack attack

Published: 5/14/2022Modified: 4/28/2026
Also known as:GHSA-wp3j-rvfp-624hDEBIAN-CVE-2015-3900

Description

RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a "DNS hijack attack."

Affected packages (2)

References (15)