[ GLSA 202003-63 ] GNU IDN Library 2

[GLSA]

Gentoo Linux Security Advisory

Title: GNU IDN Library 2: Multiple vulnerabilities (GLSA 202003-63)
Severity: normal
Exploitable: local, remote
Date: 2020-03-30
Bug(s): #697752
ID: 202003-63

Synopsis

Multiple vulnerabilities have been found in GNU IDN Library 2, the
worst of which could result in the remote execution of arbitrary code.


Background

GNU IDN Library 2 is an implementation of the IDNA2008 + TR46
specifications (RFC 5890, RFC 5891, RFC 5892, RFC 5893, TR 46).


Affected Packages

Package: net-dns/libidn2
Vulnerable: < 2.2.0
Unaffected: >= 2.2.0
Architectures: All supported architectures


Description

Multiple vulnerabilities have been discovered in GNU IDN Library 2.
Please review the CVE identifiers referenced below for details.


Impact

A remote attacker could send specially crafted input, possibly resulting
in execution of arbitrary code with the privileges of the process,
impersonation of domains or a Denial of Service condition.


Workaround

There is no known workaround at this time.

Resolution

All GNU IDN Library 2 users should upgrade to the latest version: