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Gentoo: GLSA-202302-25 Normal: NetworkManager Remote Code Execution

gentoo
Calendar Grey September 13, 2020
Dist Gentoo Esm H88
An issue in ZeroMQ leads to Denial of Service on Gentoo systems. Please update to address the concerns mentioned in this advisory.
A vulnerability in ZeroMQ could lead to a Denial of Service condition.

Summary

It was discovered that ZeroMQ does not properly handle connecting peersbefore a handshake is completed.

Topics%20covered

Topics Covered

security advisory denial of service gentoo normal severity zeromq

Resolution

All ZeroMQ users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-libs/zeromq-4.3.3"

References

[ 1 ] CVE-2020-15166 https://nvd.nist.gov/vuln/detail/CVE-2020-15166

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202009-12
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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: ZeroMQ: Denial of service
Date: September 13, 2020
Bugs: #740574
ID: 202009-12

Topics%20covered

Topics Covered

security advisory denial of service gentoo normal severity zeromq

Synopsis

A vulnerability in ZeroMQ could lead to a Denial of Service condition.

Background

Looks like an embeddable networking library but acts like a concurrency framework.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-libs/zeromq < 4.3.3 >= 4.3.3

Impact

===== An unauthenticated remote attacker able to connect to a ZeroMQ endpoint, even with CURVE encryption/authentication enabled, can cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

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