GNU Libidn2 up to 2.1.x Roudtrip Check Unicode Character spoofing – Digitalmunition

Exploit/Advisories Cybersecurity study of the dark web exposes vulnerability to machine identities -- ScienceDaily

Published on October 23rd, 2019 📆 | 8237 Views ⚑


GNU Libidn2 up to 2.1.x Roudtrip Check Unicode Character spoofing

CVSS Meta Temp ScoreCurrent Exploit Price (≈)

A vulnerability was found in GNU Libidn2 up to 2.1.x and classified as critical. Affected by this issue is an unknown part of the component Roudtrip Check Handler. The manipulation as part of a Unicode Character leads to a spoofing vulnerability. Using CWE to declare the problem leads to CWE-290. Impacted is confidentiality, integrity, and availability.

The weakness was shared 10/22/2019. The advisory is available at This vulnerability is handled as CVE-2019-12290 since 05/22/2019. The technical details are unknown and an exploit is not available.

Upgrading to version 2.2.0 eliminates this vulnerability.



VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: ≈5.5
VulDB Temp Score: ≈5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Spoofing (CWE-290)
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Libidn2 2.2.0

05/22/2019 CVE assigned
10/22/2019 +153 days Advisory disclosed
10/22/2019 +0 days VulDB entry created
10/22/2019 +0 days VulDB last updateVendor:


CVE: CVE-2019-12290 (🔒)

Created: 10/22/2019 08:40 PM
Complete: 🔍

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