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Gentoo: GLSA 202302-12 High: OpenSSH Remote Shutdown Vulnerability

gentoo
Calendar Grey December 7, 2016
Dist Gentoo Esm H88
Gentoo GLSA 201612-18 details critical OpenSSH vulnerabilities that may lead to Denial of Service and require updates.
Multiple vulnerabilities have been found in OpenSSH, the worst of which allows remote attackers to cause Denial of Service.

Summary

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

Topics%20covered

Topics Covered

security advisory Gentoo critical risk remote access vulnerability Denial of Service OpenSSH

Resolution

All OpenSSH users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/openssh-7.3_p1-r7"

References

[ 1 ] CVE-2015-8325 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8325 [ 2 ] CVE-2016-1908 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1908 [ 3 ] CVE-2016-3115 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3115 [ 4 ] CVE-2016-6210 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6210 [ 5 ] CVE-2016-8858 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-8858

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201612-18
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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
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Severity: Normal
Title: OpenSSH: Multiple vulnerabilities
Date: December 07, 2016
Bugs: #576954, #580410, #589088, #590202, #595342, #597360
ID: 201612-18

Topics%20covered

Topics Covered

security advisory Gentoo critical risk remote access vulnerability Denial of Service OpenSSH

Synopsis

Multiple vulnerabilities have been found in OpenSSH, the worst of which allows remote attackers to cause Denial of Service.

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 < 7.3_p1-r7 >= 7.3_p1-r7

Impact

===== Remote attackers could cause Denial of Service and conduct user enumeration.

Workaround

There is no known workaround at this time.

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