CVE-2015-3900

Summary

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 Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional 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

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

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