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Database

Lack of data validation In rubygems-update

Description

RubyGems vulnerable to DNS hijack attack 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."

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem
Package
Affected version
Patched versions

Aliases

1. CVE-2015-39002. NVD-2015-39003. OSV-2015-39004. OSV-DEBIAN-2015-39005. GCVE-2015-39006. SECURITY-TRACKER-CVE-2015-3900

References

1. https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2015-3900.yml2. https://puppet.com/security/cve/CVE-2015-39003. https://web.archive.org/web/20170331091241/https://puppet.com/security/cve/CVE-2015-39004. https://web.archive.org/web/20200228055155/http://www.securityfocus.com/bid/754825. https://www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-007/?fid=63566. https://www.trustwave.com/Resources/SpiderLabs-Blog/Attacking-Ruby-Gem-Security-with-CVE-2015-39007. http://blog.rubygems.org/2015/05/14/CVE-2015-3900.html8. http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163502.html9. http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163600.html10. http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164236.html11. http://rhn.redhat.com/errata/RHSA-2015-1657.html12. http://www.openwall.com/lists/oss-security/2015/06/26/213. http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html

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