GoogleOSV:GHSA-WP3J-RVFP-624HRubyGems vulnerable to DNS hijack attack
0.008 Low
EPSS
Percentile
82.3%
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.”
References
blog.rubygems.org/2015/05/14/CVE-2015-3900.html
lists.fedoraproject.org/pipermail/package-announce/2015-August/163502.html
lists.fedoraproject.org/pipermail/package-announce/2015-August/163600.html
lists.fedoraproject.org/pipermail/package-announce/2015-August/164236.html
rhn.redhat.com/errata/RHSA-2015-1657.html
www.openwall.com/lists/oss-security/2015/06/26/2
www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2015-3900.yml
nvd.nist.gov/vuln/detail/CVE-2015-3900
puppet.com/security/cve/CVE-2015-3900
web.archive.org/web/20170331091241/https://puppet.com/security/cve/CVE-2015-3900
web.archive.org/web/20200228055155/www.securityfocus.com/bid/75482
www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-007/?fid=6356
www.trustwave.com/Resources/SpiderLabs-Blog/Attacking-Ruby-Gem-Security-with-CVE-2015-3900
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