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gentooGentoo FoundationGLSA-201810-03
HistoryOct 06, 2018 - 12:00 a.m.

OpenSSH: User enumeration vulnerability

2018-10-0600:00:00
Gentoo Foundation
security.gentoo.org
555

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

0.02 Low

EPSS

Percentile

88.5%

JSON

Background

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

Description

It was discovered that OpenSSH was prone to a user enumeration vulnerability.

Impact

A remote attacker could conduct user enumeration.

Workaround

There is no known workaround at this time.

Resolution

All OpenSSH users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-misc/openssh-7.7_p1-r8"
OSVersionArchitecturePackageVersionFilename
Gentooanyallnet-misc/openssh< 7.7_p1-r8UNKNOWN

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5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

0.02 Low

EPSS

Percentile

88.5%

JSON
Related for GLSA-201810-03
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