CVE-2017-0903

CRITICAL

RubyGems <2.6.14 - RCE

Title source: llm
STIX 2.1

Description

RubyGems versions between 2.0.0 and 2.6.13 are vulnerable to a possible remote code execution vulnerability. YAML deserialization of gem specifications can bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution.

References (13)

Core 13
Core References
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3685-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3553-1/
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0585
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0378
Third Party Advisory x_refsource_misc
https://hackerone.com/reports/274990
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2017/dsa-4031
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:3485
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0583
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/101275

Scores

CVSS v3 9.8
EPSS 0.0554
EPSS Percentile 90.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-502
Status published
Products (45)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 17.10
debian/debian_linux 8.0
debian/debian_linux 9.0
HackerOne/RubyGems Versions >= 2.0.0
redhat/enterprise_linux_desktop 7.0
redhat/enterprise_linux_server 7.0
redhat/enterprise_linux_server_aus 7.4
redhat/enterprise_linux_server_aus 7.6
... and 35 more
Published Oct 11, 2017
Tracked Since Feb 18, 2026