VulnerabilityModified
CVE-2017-0902
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.
HIGH 8.1EPSS 4.75%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.75%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 8.1 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.75% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-350, CWE-346
- Affected
- rubygems/rubygems · debian/debian linux · canonical/ubuntu linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux server tus · redhat/enterprise linux workstation
- Source
- support@hackerone.com
References
- http://blog.rubygems.org/2017/08/27/2.6.13-released.htmlPatch, Vendor Advisory
- http://www.securityfocus.com/bid/100586Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039249Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:3485Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0378Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0583Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0585Third Party Advisory
- https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32Exploit, Patch, Third Party Advisory
- https://hackerone.com/reports/218088Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201710-01Third Party Advisory
- https://usn.ubuntu.com/3553-1/Third Party Advisory
- https://usn.ubuntu.com/3685-1/Third Party Advisory
- https://www.debian.org/security/2017/dsa-3966Third Party Advisory
- http://blog.rubygems.org/2017/08/27/2.6.13-released.htmlPatch, Vendor Advisory
- http://www.securityfocus.com/bid/100586Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039249Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:3485Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0378Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0583Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0585Third Party Advisory
- https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32Exploit, Patch, Third Party Advisory
- https://hackerone.com/reports/218088Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201710-01Third Party Advisory
- https://usn.ubuntu.com/3553-1/Third Party Advisory
- https://usn.ubuntu.com/3685-1/Third Party Advisory
- https://www.debian.org/security/2017/dsa-3966Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.