Vulnerability Report

CVE-2015-3900

Title: Ruby-Lang Ruby

Other

Proof Of Concept

No public PoC currently indexed for CVE-2015-3900.

CWE Category CWE-254
Published Date Jun 24, 2015
Modified Date May 06, 2026
Exploit Status Not Found
Score 5.0 CVSS v2.0
Exploit Probability (EPSS)
2.40%

Vulnerability Summary

CVE-2015-3900: 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."

Impacted Vendors

R
rubygems 1
Y
yukihiro_matsumoto 1
R
rubyforge 1
R
ruby-lang 1

Reference Links

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/Security-Advisories/Advisories/TWSL2015-007/?fid=6356 https://www.trustwave.com/Resources/SpiderLabs-Blog/Attacking-Ruby-Gem-Security-with-CVE-2015-3900/ 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/Security-Advisories/Advisories/TWSL2015-007/?fid=6356 https://www.trustwave.com/Resources/SpiderLabs-Blog/Attacking-Ruby-Gem-Security-with-CVE-2015-3900/
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2015-3900 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected Stack

No specific products linked.