| Name | CVE-2015-3900 |
| 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." |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 790111, 790119 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| jruby (PTS) | jessie, jessie (lts) | 1.5.6-9+deb8u2 | fixed |
| stretch (security), stretch (lts), stretch | 1.7.26-1+deb9u3 | fixed |
| buster (security), buster, buster (lts) | 9.1.17.0-3+deb10u1 | fixed |
| bookworm | 9.3.9.0+ds-8 | fixed |
| sid, trixie | 9.4.8.0+ds-1 | fixed |
| ruby2.1 (PTS) | jessie, jessie (lts) | 2.1.5-2+deb8u14 | fixed |
| rubygems (PTS) | bullseye | 3.2.5-2 | fixed |
| bookworm | 3.3.15-2 | fixed |
| sid, trixie | 3.4.20-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
- rubygems <not-affected> (Affects versions between 2.0 and 2.4.6)
- libgems-ruby <not-affected> (Affects versions between 2.0 and 2.4.6)
- ruby1.8 <not-affected> (Vulnerable code not present)
- ruby1.9.1 <not-affected> (Bundles 1.8.23, vulnerable code introduced in later 1.9.1 versions)
[jessie] - jruby <not-affected> (Vulnerable code introduced with 1.7.19)
[wheezy] - jruby <not-affected> (Vulnerable code introduced with 1.7.19)
[squeeze] - jruby <not-affected> (Vulnerable code introduced with 1.7.19)
https://github.com/rubygems/rubygems/commit/6bbee35
https://github.com/rubygems/rubygems/commit/5c7bfb5
http://blog.rubygems.org/2015/05/14/CVE-2015-3900.html