Gentoo: GLSA-201810-03 Low Severity: OpenSSH User Enumeration
gentoo
October 6, 2018
A vulnerability in OpenSSH might allow remote attackers to determine valid usernames.
Summary
It was discovered that OpenSSH was prone to a user enumeration vulnerability.
Topics Covered
Resolution
All OpenSSH users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/openssh-7.7_p1-r8"
References
[ 1 ] CVE-2018-15473 https://nvd.nist.gov/vuln/detail/CVE-2018-15473
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201810-03
style>.gentoo_availability{display:block;}
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.
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Severity: Low
Title: OpenSSH: User enumeration vulnerability
Date: October 06, 2018
Bugs: #664264
ID: 201810-03
Topics Covered
Background
OpenSSH is a complete SSH protocol implementation that includes SFTP
client and server support.
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Affected Packages
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Package / Vulnerable / Unaffected
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1 net-misc/openssh < 7.7_p1-r8 >= 7.7_p1-r8
Impact
=====
A remote attacker could conduct user enumeration.
Workaround
There is no known workaround at this time.
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