Detections
Analytics

CVE-2017-0902

high

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.

References

https://www.debian.org/security/2017/dsa-3966

https://usn.ubuntu.com/3685-1/

https://usn.ubuntu.com/3553-1/

https://security.gentoo.org/glsa/201710-01

https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html

https://access.redhat.com/errata/RHSA-2018:0585

https://access.redhat.com/errata/RHSA-2018:0583

https://access.redhat.com/errata/RHSA-2018:0378

https://access.redhat.com/errata/RHSA-2017:3485

http://www.securitytracker.com/id/1039249

http://www.securityfocus.com/bid/100586

https://hackerone.com/reports/218088

https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32

http://blog.rubygems.org/2017/08/27/2.6.13-released.html

Details

Source: Mitre, NVD

Published: 2017-08-31

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.01657