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Gentoo GLSA 202003-63 Normal: GNU IDN Library 2 Remote Execution Severity

gentoo
Calendar Grey March 30, 2020
Dist Gentoo Esm H88
Keep updated regarding Gentoo's GLSA 202003-63, which deals with significant problems found in GNU IDN Library 2 and their respective fixes.
Multiple vulnerabilities have been found in GNU IDN Library 2, the worst of which could result in the remote execution of arbitrary code.

Summary

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

Topics%20covered

Topics Covered

security advisory security issue gentoo software update remote execution normal severity gnu idn library

Resolution

All GNU IDN Library 2 users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-dns/libidn2-2.2.0"

References

[ 1 ] CVE-2019-12290 https://nvd.nist.gov/vuln/detail/CVE-2019-12290 [ 2 ] CVE-2019-18224 https://nvd.nist.gov/vuln/detail/CVE-2019-18224

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202003-63
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: GNU IDN Library 2: Multiple vulnerabilities
Date: March 30, 2020
Bugs: #697752
ID: 202003-63

Topics%20covered

Topics Covered

security advisory security issue gentoo software update remote execution normal severity gnu idn library

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).

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-dns/libidn2 < 2.2.0 >= 2.2.0

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.

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