CVE-2015-3900
RubyGems vulnerable to DNS hijack attack
EPSS 8.9%
描述
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."
如何修補 CVE-2015-3900
要修補 CVE-2015-3900,請將受影響套件升級到下列已修補版本。
- Debian/jruby—升級至 1.7.20.1-2 或更新版本
- RubyGems/rubygems-update—升級至 2.0.16 或更新版本
CVE-2015-3900 正在被利用嗎?
中等 — EPSS 為 8.9%,可持續追蹤但非最高優先。
受影響套件(2)
- from 0, < 1.7.20.1-2
- >= 2.0.0, < 2.0.16