CVE-2017-0903 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  9.8 CRITICAL
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://blog.rubygems.org/2017/10/09/2.6.14-released.html Vendor Advisory 
http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html Vendor Advisory 
http://www.securityfocus.com/bid/101275 Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2017:3485 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:0378 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:0583 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:0585 Third Party Advisory 
https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49 Patch  Third Party Advisory 
https://hackerone.com/reports/274990 Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html Mailing List  Third 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-4031 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-502 Deserialization of Untrusted Data cwe source acceptance level NIST   Reference acceptance level HackerOne  

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Change History

11 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-0903
NVD Published Date:
10/11/2017
NVD Last Modified:
10/09/2019
Source:
HackerOne