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Gentoo GLSA-201903-16: OpenSSH Multiple Issues Moderate Risk Remote Access

gentoo
Calendar Grey March 20, 2019
Dist Gentoo Esm H88
Numerous weaknesses in OpenSSH might permit unauthorized external access. It's essential to upgrade to maintain system protection.
Multiple vulnerabilities have been found in OpenSSH, the worst of which could allow a remote attacker to gain unauthorized access.

Summary

Multiple vulnerabilities have been discovered in OpenSSH. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory security update unauthorized access Gentoo remote access multiple issues OpenSSH

Resolution

All OpenSSH users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/openssh-7.9_p1-r4"

References

[ 1 ] CVE-2018-20685 https://nvd.nist.gov/vuln/detail/CVE-2018-20685 [ 2 ] CVE-2019-6109 https://nvd.nist.gov/vuln/detail/CVE-2019-6109 [ 3 ] CVE-2019-6110 https://nvd.nist.gov/vuln/detail/CVE-2019-6110 [ 4 ] CVE-2019-6111 https://nvd.nist.gov/vuln/detail/CVE-2019-6111

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201903-16
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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: OpenSSH: Multiple vulnerabilities
Date: March 20, 2019
Bugs: #675520, #675522
ID: 201903-16

Topics%20covered

Topics Covered

security advisory security update unauthorized access Gentoo remote access multiple issues OpenSSH

Synopsis

Multiple vulnerabilities have been found in OpenSSH, the worst of which could allow a remote attacker to gain unauthorized access.

Background

OpenSSH is a complete SSH protocol implementation that includes SFTP client and server support.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/openssh < 7.9_p1-r4 >= 7.9_p1-r4

Impact

===== A remote attacker could overwrite arbitrary files, transfer malicious files, or gain unauthorized access.

Workaround

There is no known workaround at this time.

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