SCA: security update for YamlDotNet, YamlDotNet.Signed (GHSA-rpch-cqj9-h65r)

high Tenable Self-Hosted Container Security Plugin ID 422307

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- YamlDotNet version 4.3.2 and earlier contains a Insecure Direct Object Reference vulnerability in The
default behavior of Deserializer.Deserialize() will deserialize user-controlled types in the line
"currentType = Type.GetType(nodeEvent.Tag.Substring(1), throwOnError: false);" and blindly instantiates
them. that can result in Code execution in the context of the running process. This attack appear to be
exploitable via Victim must parse a specially-crafted YAML file. This vulnerability appears to have been
fixed in 5.0.0. (CVE-2018-1000210)

See Also

https://github.com/advisories/GHSA-rpch-cqj9-h65r

Plugin Details

Severity: High

ID: 422307

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 3/28/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2018-1000210

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/16/2018

Vulnerability Publication Date: 7/13/2018

Reference Information

CVE: CVE-2018-1000210