National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-1000079 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 Directory Traversal vulnerability in gem installation that can result in the gem could write to arbitrary filesystem locations during installation. This attack appear to be exploitable via the victim must install a malicious gem. 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: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N (V3 legend)
Impact Score: 3.6
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): None
Integrity (I): High
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized modification

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/666ef793cad42eed96f7aee1cdf77865db921099 Patch Third Party Advisory
https://github.com/rubygems/rubygems/commit/f83f911e19e27cbac1ccce7471d96642241dd759 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
https://usn.ubuntu.com/3621-1/
https://www.debian.org/security/2018/dsa-4219
https://www.debian.org/security/2018/dsa-4259

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.2.9

Configuration 2 ( hide )
 cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.3.6

Configuration 3 ( hide )
 cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.4.3

Configuration 4 ( hide )
 cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.5.0


Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-1000079
NVD Published Date:
03/13/2018
NVD Last Modified:
11/30/2018