National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-1000074 Detail

Current Description

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Deserialization of Untrusted Data vulnerability in owner command that can result in code execution. This attack appear to be exploitable via victim must run the `gem owner` command on a gem with a specially crafted YAML file. This vulnerability appears to have been fixed in 2.7.6.

Source:  MITRE
Description Last Modified:  03/13/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
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:
Victim must voluntarily interact with attack mechanism
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/2018/02/15/2.7.6-released.html Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3729
https://access.redhat.com/errata/RHSA-2018:3730
https://access.redhat.com/errata/RHSA-2018:3731
https://github.com/rubygems/rubygems/commit/254e3d0ee873c008c0b74e8b8abcbdab4caa0a6d Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00017.html
https://lists.debian.org/debian-lts-announce/2018/08/msg00028.html
https://usn.ubuntu.com/3621-1/
https://usn.ubuntu.com/3621-2/
https://usn.ubuntu.com/3685-1/
https://www.debian.org/security/2018/dsa-4219
https://www.debian.org/security/2018/dsa-4259

Technical Details

Vulnerability Type (View All)

  • Deserialization of Untrusted Data (CWE-502)

Change History

9 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-1000074
NVD Published Date:
03/13/2018
NVD Last Modified:
11/30/2018