GHSA-rpch-cqj9-h65r

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GHSA-rpch-cqj9-h65r

Summary: High severity vulnerability that affects YamlDotNet and YamlDotNet.Signed

Details: 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.

References: https://nvd.nist.gov/vuln/detail/CVE-2018-1000210, https://github.com/aaubry/YamlDotNet#version-500, https://github.com/aaubry/YamlDotNet/blob/f96b7cc40a0498f8bafdeb49df3aa23aa2c60993/YamlDotNet/Serialization/NodeTypeResolvers/TypeNameInTagNodeTypeResolver.cs#L35, https://github.com/advisories/GHSA-rpch-cqj9-h65r, ps://github.com/aaubry/YamlDotNet