CVEvulnerability

CVE-2018-1000210

7.8 HIGH Published 2018-07-13 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-07-13
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.8 HIGH — CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
CWE-502, CWE-639

Description

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.

Affected configurations

• yamldotnet project yamldotnet (<= 4.3.2)

Related

Weakness · CWE (2)

  • CWE-502 Deserialization of Untrusted Data weakness
  • CWE-639 Authorization Bypass Through User-Controlled Key weakness

References