CVE-2015-3900
Published · Updated
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 8.9%
exploitation probability
8.9%top 5% of all CVEs
observed exploitation
nono source reports it
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 products
n/a · n/aReferences
http://blog.rubygems.org/2015/05/14/CVE-2015-3900.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-August/163502.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-August/163600.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-August/164236.htmlhttp://rhn.redhat.com/errata/RHSA-2015-1657.htmlhttps://puppet.com/security/cve/CVE-2015-3900https://www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-007/?fid=6356https://www.trustwave.com/Resources/SpiderLabs-Blog/Attacking-Ruby-Gem-Security-with-CVE-2015-3900/http://www.openwall.com/lists/oss-security/2015/06/26/2http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.htmlhttp://www.securityfocus.com/bid/75482