CVE-2017-0903

9.8 CRITICAL
Published: October 11, 2017 Modified: May 13, 2026
View on NVD

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.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://blog.rubygems.org/2017/10/09/2.6.14-released.html
Source: support@hackerone.com
Vendor Advisory
http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html
Source: support@hackerone.com
Vendor Advisory
http://www.securityfocus.com/bid/101275
Source: support@hackerone.com
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:3485
Source: support@hackerone.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0378
Source: support@hackerone.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0583
Source: support@hackerone.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0585
Source: support@hackerone.com
Third Party Advisory
https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49
Source: support@hackerone.com
Patch Third Party Advisory
https://hackerone.com/reports/274990
Source: support@hackerone.com
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
Source: support@hackerone.com
Mailing List Third Party Advisory
https://usn.ubuntu.com/3553-1/
Source: support@hackerone.com
Third Party Advisory
https://usn.ubuntu.com/3685-1/
Source: support@hackerone.com
Third Party Advisory
https://www.debian.org/security/2017/dsa-4031
Source: support@hackerone.com
Third Party Advisory
http://blog.rubygems.org/2017/10/09/2.6.14-released.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.securityfocus.com/bid/101275
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:3485
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0378
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0583
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0585
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://hackerone.com/reports/274990
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://usn.ubuntu.com/3553-1/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://usn.ubuntu.com/3685-1/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.debian.org/security/2017/dsa-4031
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

26 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
15.9%
96th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-502 CWE-502

Affected Vendors

canonical rubygems debian redhat

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