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 products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://rhn.redhat.com/errata/RHSA-2015-1657.html ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163502.html ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163600.html ↗
- http://www.openwall.com/lists/oss-security/2015/06/26/2 ↗
- https://www.trustwave.com/Resources/SpiderLabs-Blog/Attacking-Ruby-Gem-Security-with-CVE-2015-3900/ ↗
- http://www.securityfocus.com/bid/75482 ↗
- https://www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-007/?fid=6356 ↗
- http://blog.rubygems.org/2015/05/14/CVE-2015-3900.html ↗
- https://puppet.com/security/cve/CVE-2015-3900 ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164236.html ↗
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html ↗