National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-0902 Detail

Current Description

RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls.

Source:  MITRE      Last Modified:  08/31/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-0902
Original release date:
08/31/2017
Last revised:
12/19/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
8.1 High
Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H (legend)
Impact Score:
5.9
Exploitability Score:
2.2
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
6.8 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
6.4
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://blog.rubygems.org/2017/08/27/2.6.13-released.html Patch; Vendor Advisory External Source MISC http://blog.rubygems.org/2017/08/27/2.6.13-released.html
http://www.securityfocus.com/bid/100586 External Source BID 100586
http://www.securitytracker.com/id/1039249 Third Party Advisory; VDB Entry External Source SECTRACK 1039249
https://access.redhat.com/errata/RHSA-2017:3485 External Source REDHAT RHSA-2017:3485
https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32 Exploit; Third Party Advisory External Source MISC https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32
https://hackerone.com/reports/218088 Exploit; Issue Tracking; Third Party Advisory External Source MISC https://hackerone.com/reports/218088
https://security.gentoo.org/glsa/201710-01 External Source GENTOO GLSA-201710-01
https://www.debian.org/security/2017/dsa-3966 External Source DEBIAN DSA-3966

Technical Details

Vulnerability Type (View All)

  • Improper Access Control (CWE-284)

Change History 6 change records found - show changes