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VuXML ID	Description
f04f840d-0840-11ea-8d66-75d3253ef913	libidn2 -- roundtrip check vulnerability CVE list: GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels. This makes it possible in some circumstances for one domain to impersonate another. By creating a malicious domain that matches a target domain except for the inclusion of certain punycoded Unicode characters (that would be discarded when converted first to a Unicode label and then back to an ASCII label), arbitrary domains can be impersonated. Discovery 2019-11-14 Entry 2019-11-18 Modified 2020-06-24 libidn2 < 2.2.0 https://gitlab.com/libidn/libidn2/blob/master/NEWS https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12290 CVE-2019-12290

VuXML ID

Description

f04f840d-0840-11ea-8d66-75d3253ef913

libidn2 -- roundtrip check vulnerability

CVE list:

GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels. This makes it possible in some circumstances for one domain to impersonate another. By creating a malicious domain that matches a target domain except for the inclusion of certain punycoded Unicode characters (that would be discarded when converted first to a Unicode label and then back to an ASCII label), arbitrary domains can be impersonated.

Discovery 2019-11-14
Entry 2019-11-18
Modified 2020-06-24
libidn2

< 2.2.0

https://gitlab.com/libidn/libidn2/blob/master/NEWS
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12290
CVE-2019-12290