Back to Database
Status published
Critical
CVE-2017-0903
RubyGems versions between 2.0.0 and 2.6.13 are vulnerable to a...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2017-0903
Credits & Attribution
No credits recorded in the NVD database.
References
- https://usn.ubuntu.com/3685-1/
- https://usn.ubuntu.com/3553-1/
- https://access.redhat.com/errata/RHSA-2018:0585
- https://access.redhat.com/errata/RHSA-2018:0378
- https://hackerone.com/reports/274990
- https://www.debian.org/security/2017/dsa-4031
- https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49
- https://access.redhat.com/errata/RHSA-2017:3485
- http://blog.rubygems.org/2017/10/09/2.6.14-released.html
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- https://access.redhat.com/errata/RHSA-2018:0583
- http://www.securityfocus.com/bid/101275
- http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html
More from HackerOne
View All →CVE-2018-3787
Path traversal in simplehttpserver <v0.2.1 allows listing any file on...
High
7.5
CVE-2018-3779
active-support ruby gem 5.2.0 could allow a remote attacker to...
Critical
9.8
CVE-2018-3778
Improper authorization in aedes version <0.35.0 will publish a LWT...
Medium
5.3
CVE-2018-3776
Improper input validator in Nextcloud Server prior to 12.0.3 and...
Medium
5.3
CVE-2018-3775
Improper Authentication in Nextcloud Server prior to version 12.0.3 would...
High
8.8
Affected Vendor
HackerOne
View all reports →Affected Software
RubyGems
Vulnerable Versions:
Versions >= 2.0.0
Timeline
Official Publish:
October 11th, 2017
Last Modified:
September 17th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H