FreeBSD : rubygems -- deserialization vulnerability (2c8bd00d-ada2-11e7-82af-8dbff7d75206)

High Nessus Plugin ID 103760

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.

VPR Score: 5.9


The remote FreeBSD host is missing one or more security-related updates.


oss-security mailing list :

There is a possible unsafe object desrialization vulnerability in RubyGems. It is possible for YAML deserialization of gem specifications to bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution.


Update the affected packages.

See Also

Plugin Details

Severity: High

ID: 103760

File Name: freebsd_pkg_2c8bd00dada211e782af8dbff7d75206.nasl

Version: 3.6

Type: local

Published: 2017/10/11

Updated: 2021/01/04

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 5.9

CVSS v2.0

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.0

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:ruby22-gems, p-cpe:/a:freebsd:freebsd:ruby23-gems, p-cpe:/a:freebsd:freebsd:ruby24-gems, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 2017/10/10

Vulnerability Publication Date: 2017/10/09

Reference Information

CVE: CVE-2017-0903