CVE-2017-0902
Published: August 31, 2023Last modified: August 31, 2023
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.
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score | 8.1 | 
| Attack Vector | NETWORK | 
| Attack complexity | HIGH | 
| Privileges required | NONE | 
| User interaction | NONE | 
| Scope | UNCHANGED | 
| Confidentiality | HIGH | 
| Integrity impact | HIGH | 
| Availability impact | HIGH | 
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | 
Status
| Product | Release | Package | Status | 
|---|---|---|---|
| Alpaquita Linux | 23 LTS | ruby | Not affected (3.1.4-r0) | 
| Stream | ruby | Not affected (3.2.2-r0) | 
References
- http://blog.rubygems.org/2017/08/27/2.6.13-released.html
- http://www.securityfocus.com/bid/100586
- http://www.securitytracker.com/id/1039249
- https://access.redhat.com/errata/RHSA-2017:3485
- https://access.redhat.com/errata/RHSA-2018:0378
- https://access.redhat.com/errata/RHSA-2018:0583
- https://access.redhat.com/errata/RHSA-2018:0585
- https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32
- https://hackerone.com/reports/218088
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- https://security.gentoo.org/glsa/201710-01
- https://usn.ubuntu.com/3553-1/
- https://usn.ubuntu.com/3685-1/
- https://www.debian.org/security/2017/dsa-3966