CVE-2018-1000210 – yamldotnet

Package

Manager: nuget
Name: yamldotnet
Vulnerable Version: >=0 <5.0.0

Severity

Level: High

CVSS v3.1: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS: 0.00339 pctl0.55958

Details

High severity vulnerability that affects YamlDotNet and YamlDotNet.Signed 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.

Metadata

Created: 2018-10-16T17:01:10Z
Modified: 2021-09-17T19:23:01Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/10/GHSA-rpch-cqj9-h65r/GHSA-rpch-cqj9-h65r.json
CWE IDs: ["CWE-502", "CWE-639"]
Alternative ID: GHSA-rpch-cqj9-h65r
Finding: F096
Auto approve: 1