CVE-2015-4020
Public on 2015-06-16
Modified on 2015-06-18
Description
A flaw was found in a way rubygems verified the API endpoint hostname retrieved through a DNS SRV record. A man-in-the-middle attacker could use this flaw to force a client to download content from an untrusted domain.
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | ruby20 | 2015-06-16 | ALAS-2015-547 | Fixed |
| Amazon Linux 1 | ruby21 | 2015-06-16 | ALAS-2015-548 | Fixed |
| Amazon Linux 1 | ruby22 | 2015-06-16 | ALAS-2015-549 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv2 | 7.9 | AV:A/AC:M/Au:N/C:C/I:C/A:C |
| NVD | CVSSv2 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |