Deserialization of Untrusted Data in NancyFX Nancy · CVE-2017-9785 · GitHub Advisory Database · GitHub

Deserialization of Untrusted Data in NancyFX Nancy

Critical severity GitHub Reviewed Published May 17, 2022 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

Nancy (NuGet)

Affected versions

<= 1.4.3

>= 2.0.0-alpha, <= 2.0.0-clinteastwood

Patched versions

1.4.4

2.0.0

Description

Csrf.cs in NancyFX Nancy before 1.4.4 and 2.x before 2.0-dangermouse has Remote Code Execution via Deserialization of JSON data in a CSRF Cookie.

References

Published by the National Vulnerability Database

Jul 20, 2017

Published to the GitHub Advisory Database May 17, 2022

Reviewed Jun 30, 2022

Last updated Jan 27, 2023

Severity

Critical

9.8

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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