PT-2017-19186 · Nancyfx · Nancy

Alexandr Mirosh + 1 · Published 2017-07-20 · Updated 2022-05-17 · CVE-2017-9785

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions NancyFX Nancy versions prior to 1.4.4 NancyFX Nancy versions 2.x prior to 2.0-dangermouse

Description The issue allows for Remote Code Execution via Deserialization of JSON data in a CSRF Cookie, specifically affecting the Csrf.cs component.

Recommendations For versions prior to 1.4.4, update to version 1.4.4 or later. For versions 2.x prior to 2.0-dangermouse, update to version 2.0-dangermouse or later.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2017-9785

GHSA-MX3Q-J2G2-5QXQ

Affected Products

Nancy

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2017-9785 · Security Note
• https://osv.dev/vulnerability/GHSA-mx3q-j2g2-5qxq · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-9785 · Vendor Advisory
• https://github.com/NancyFx/Nancy/releases/tag/v1.4.4 · Note