National Vulnerability Database

National Vulnerability Database

National Vulnerability
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    Vulnerabilities Detail

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

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.1 HIGH
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 2.2

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 v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://blog.rubygems.org/2017/08/27/2.6.13-released.html Patch Vendor Advisory
http://www.securityfocus.com/bid/100586
http://www.securitytracker.com/id/1039249 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:3485
https://access.redhat.com/errata/RHSA-2018:0378
https://access.redhat.com/errata/RHSA-2018:0583
https://access.redhat.com/errata/RHSA-2018:0585
https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32 Exploit Third Party Advisory
https://hackerone.com/reports/218088 Exploit Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
https://security.gentoo.org/glsa/201710-01
https://usn.ubuntu.com/3553-1/
https://usn.ubuntu.com/3685-1/
https://www.debian.org/security/2017/dsa-3966

Technical Details

Vulnerability Type (View All)

  • Improper Access Control (CWE-284)

Change History

11 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-0902
NVD Published Date:
08/31/2017
NVD Last Modified:
07/14/2018