CVE-2015-3900
medium
CVSS v3
—
CVSS v2
5.0
VIR risk
5.0
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."
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-3900
Vendor advisory: cve@mitre.org — http://blog.rubygems.org/2015/05/14/CVE-2015-3900.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 1.7.20.1-2 |
| debian | forky | fixed | 1.7.20.1-2 |
| debian | sid | fixed | 1.7.20.1-2 |
| debian | trixie | fixed | 1.7.20.1-2 |
| rhel | 6.0 | affected | |
| rhel | 7.0 | affected | |
| debian | bullseye | fixed | 0 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| RubyGems | rubygems-update | <~> 2.0.16 | ~> 2.0.16 |
| RubyGems | rubygems-update | >=2.0.0,<2.0.16 | 2.0.16 |
| RubyGems | rubygems-update | >=2.2.0,<2.2.4 | 2.2.4 |
| RubyGems | rubygems-update | >=2.4.0,<2.4.7 | 2.4.7 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| ruby-lang | ruby | 1.9 | |
| ruby-lang | ruby | 1.9.1 | |
| ruby-lang | ruby | 1.9.2 | |
| ruby-lang | ruby | 1.9.3 | |
| ruby-lang | ruby | 2.0.0 | |
| ruby-lang | ruby | 2.1 | |
| ruby-lang | ruby | 2.1.1 | |
| ruby-lang | ruby | 2.1.2 | |
| ruby-lang | ruby | 2.1.3 | |
| ruby-lang | ruby | 2.1.4 | |
| ruby-lang | ruby | 2.1.5 | |
| ruby-lang | ruby | 2.2.0 | |
| rubygems | rubygems | 2.0.0 | |
| rubygems | rubygems | 2.0.1 | |
| rubygems | rubygems | 2.0.2 | |
| rubygems | rubygems | 2.0.3 | |
| rubygems | rubygems | 2.0.4 | |
| rubygems | rubygems | 2.0.5 | |
| rubygems | rubygems | 2.0.6 | |
| rubygems | rubygems | 2.0.7 | |
| rubygems | rubygems | 2.0.8 | |
| rubygems | rubygems | 2.0.9 | |
| rubygems | rubygems | 2.0.10 | |
| rubygems | rubygems | 2.0.11 | |
| rubygems | rubygems | 2.0.12 | |
| rubygems | rubygems | 2.0.13 | |
| rubygems | rubygems | 2.0.14 | |
| rubygems | rubygems | 2.0.15 | |
| rubygems | rubygems | 2.2.0 | |
| rubygems | rubygems | 2.2.1 | |
| rubygems | rubygems | 2.2.2 | |
| rubygems | rubygems | 2.2.3 | |
| rubygems | rubygems | 2.4.0 | |
| rubygems | rubygems | 2.4.1 | |
| rubygems | rubygems | 2.4.2 | |
| rubygems | rubygems | 2.4.3 | |
| rubygems | rubygems | 2.4.4 | |
| rubygems | rubygems | 2.4.5 | |
| rubygems | rubygems | 2.4.6 | |
References
- https://www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-007/?fid=6356
- http://blog.rubygems.org/2015/05/14/CVE-2015-3900.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163502.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163600.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164236.html
- http://rhn.redhat.com/errata/RHSA-2015-1657.html
- http://www.openwall.com/lists/oss-security/2015/06/26/2
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
- http://www.securityfocus.com/bid/75482
- https://puppet.com/security/cve/CVE-2015-3900
- https://www.trustwave.com/Resources/SpiderLabs-Blog/Attacking-Ruby-Gem-Security-with-CVE-2015-3900/
- https://security-tracker.debian.org/tracker/CVE-2015-3900
- https://nvd.nist.gov/vuln/detail/CVE-2015-3900
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2015-3900.yml
- https://web.archive.org/web/20170331091241/https://puppet.com/security/cve/CVE-2015-3900
- https://web.archive.org/web/20200228055155/http://www.securityfocus.com/bid/75482
- https://www.trustwave.com/Resources/SpiderLabs-Blog/Attacking-Ruby-Gem-Security-with-CVE-2015-3900
CWEs
CWE-254
Verify integrity in audit chain (admin only). AS-IS.