Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2017-0903

Disclosure Date: October 11, 2017 •
CVE-2017-0903 CVSS v3 Base Score: 9.8
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

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.

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CVSS V3 Severity and Metrics
Base Score:
9.8 Critical
Impact Score:
5.9
Exploitability Score:
3.9
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
RubyGems Versions >= 2.0.0
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • canonical,
  • debian,
  • redhat,
  • rubygems

Products

  • debian linux 8.0,
  • debian linux 9.0,
  • enterprise linux desktop 7.0,
  • enterprise linux server 7.0,
  • enterprise linux server aus 7.4,
  • enterprise linux server aus 7.6,
  • enterprise linux server eus 7.4,
  • enterprise linux server eus 7.5,
  • enterprise linux server eus 7.6,
  • enterprise linux server tus 7.4,
  • enterprise linux server tus 7.6,
  • enterprise linux workstation 7.0,
  • rubygems 2.0.0,
  • rubygems 2.0.1,
  • rubygems 2.0.10,
  • rubygems 2.0.11,
  • rubygems 2.0.12,
  • rubygems 2.0.13,
  • rubygems 2.0.14,
  • rubygems 2.0.15,
  • rubygems 2.0.16,
  • rubygems 2.0.17,
  • rubygems 2.0.2,
  • rubygems 2.0.3,
  • rubygems 2.0.4,
  • rubygems 2.0.5,
  • rubygems 2.0.6,
  • rubygems 2.0.7,
  • rubygems 2.0.8,
  • rubygems 2.0.9,
  • rubygems 2.1.0,
  • rubygems 2.1.0.rc.1,
  • rubygems 2.1.0.rc.2,
  • rubygems 2.1.1,
  • rubygems 2.1.10,
  • rubygems 2.1.11,
  • rubygems 2.1.2,
  • rubygems 2.1.3,
  • rubygems 2.1.4,
  • rubygems 2.1.5,
  • rubygems 2.1.6,
  • rubygems 2.1.7,
  • rubygems 2.1.8,
  • rubygems 2.1.9,
  • rubygems 2.2.0,
  • rubygems 2.2.0.preiew.1,
  • rubygems 2.2.0.rc.1,
  • rubygems 2.2.1,
  • rubygems 2.2.2,
  • rubygems 2.2.3,
  • rubygems 2.2.4,
  • rubygems 2.2.5,
  • rubygems 2.3.0,
  • rubygems 2.4.0,
  • rubygems 2.4.1,
  • rubygems 2.4.2,
  • rubygems 2.4.3,
  • rubygems 2.4.4,
  • rubygems 2.4.5,
  • rubygems 2.4.6,
  • rubygems 2.4.7,
  • rubygems 2.4.8,
  • rubygems 2.5.0,
  • rubygems 2.5.1,
  • rubygems 2.5.2,
  • rubygems 2.6.0,
  • rubygems 2.6.1,
  • rubygems 2.6.10,
  • rubygems 2.6.11,
  • rubygems 2.6.12,
  • rubygems 2.6.13,
  • rubygems 2.6.2,
  • rubygems 2.6.3,
  • rubygems 2.6.4,
  • rubygems 2.6.5,
  • rubygems 2.6.6,
  • rubygems 2.6.7,
  • rubygems 2.6.8,
  • rubygems 2.6.9,
  • ubuntu linux 14.04,
  • ubuntu linux 16.04,
  • ubuntu linux 17.10
Technical Analysis