CVE-2018-1000074
Public on 2018-03-13
Modified on 2019-08-27
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.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | ruby | 2018-04-05 | ALAS2-2018-983 | Fixed |
| Amazon Linux 2 - Core | ruby | 2019-08-23 | ALAS2-2019-1276 | Fixed |
| Amazon Linux 1 | ruby20 | 2018-04-04 | ALAS-2018-983 | Fixed |
| Amazon Linux 1 | ruby22 | 2018-04-04 | ALAS-2018-983 | Fixed |
| Amazon Linux 1 | ruby23 | 2018-04-04 | ALAS-2018-983 | Fixed |
| Amazon Linux 1 | ruby24 | 2018-04-04 | ALAS-2018-983 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | CVSSv2 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| NVD | CVSSv3 | 7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |