PT-2019-15851 · .Net · Tinywall

Pylorak · Published 2019-12-30 · Updated 2022-01-01 · CVE-2019-19470

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions TinyWall versions prior to 2.1.13

Description The issue arises from the unsafe usage of .NET deserialization in Named Pipe message processing, allowing a local attacker to escalate privileges to NT AUTHORITYSYSTEM.

Recommendations For versions prior to 2.1.13, update to version 2.1.13 to resolve the issue.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2019-19470

Affected Products

Tinywall

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2019-19470 · Security Note
• https://osv.dev/vulnerability/CVE-2019-19470 · Vendor Advisory
• https://wilderssecurity.com/threads/beta-testing-tinywall.309739/page-62#post-2882843 · Note
• https://gist.github.com/pylorak/7df52c9325614676e07782dbe4e81582 · Note