QID 980876

QID 980876: Dotnet (nuget) Security Update for YamlDotNet.Signed (GHSA-rpch-cqj9-h65r)

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.

Successful exploitation of this vulnerability may affect the confidentiality, integrity, and availability of the targeted user.

CVSS V3 rated as High - 7.8 severity.

CVSS V2 rated as High - 6.8 severity.

Solution

Customers are advised to refer to GHSA-rpch-cqj9-h65r for updates pertaining to this vulnerability.

Vendor References

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

CVEs related to QID 980876

CVE-2018-1000210 |

Software Advisories

Advisory ID	Software	Component	Link
GHSA-rpch-cqj9-h65r	YamlDotNet		github.com/advisories/GHSA-rpch-cqj9-h65r
GHSA-rpch-cqj9-h65r	YamlDotNet.Signed		github.com/advisories/GHSA-rpch-cqj9-h65r

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