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centosCentOS ProjectCESA-2019:2143
HistoryAug 30, 2019 - 3:49 a.m.

openssh, pam_ssh_agent_auth security update

2019-08-3003:49:22
CentOS Project
lists.centos.org
319

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

CentOS Errata and Security Advisory CESA-2019:2143

OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.

Security Fix(es):

  • openssh: User enumeration via malformed packets in authentication requests (CVE-2018-15473)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes linked from the References section.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-cr-announce/2019-August/032300.html

Affected packages:
openssh
openssh-askpass
openssh-cavs
openssh-clients
openssh-keycat
openssh-ldap
openssh-server
openssh-server-sysvinit
pam_ssh_agent_auth

Upstream details at:
https://access.redhat.com/errata/RHSA-2019:2143

OSVersionArchitecturePackageVersionFilename
CentOS7x86_64openssh< 7.4p1-21.el7openssh-7.4p1-21.el7.x86_64.rpm
CentOS7x86_64openssh-askpass< 7.4p1-21.el7openssh-askpass-7.4p1-21.el7.x86_64.rpm
CentOS7x86_64openssh-cavs< 7.4p1-21.el7openssh-cavs-7.4p1-21.el7.x86_64.rpm
CentOS7x86_64openssh-clients< 7.4p1-21.el7openssh-clients-7.4p1-21.el7.x86_64.rpm
CentOS7x86_64openssh-keycat< 7.4p1-21.el7openssh-keycat-7.4p1-21.el7.x86_64.rpm
CentOS7x86_64openssh-ldap< 7.4p1-21.el7openssh-ldap-7.4p1-21.el7.x86_64.rpm
CentOS7x86_64openssh-server< 7.4p1-21.el7openssh-server-7.4p1-21.el7.x86_64.rpm
CentOS7x86_64openssh-server-sysvinit< 7.4p1-21.el7openssh-server-sysvinit-7.4p1-21.el7.x86_64.rpm
CentOS7i686pam_ssh_agent_auth< 0.10.3-2.21.el7pam_ssh_agent_auth-0.10.3-2.21.el7.i686.rpm
CentOS7x86_64pam_ssh_agent_auth< 0.10.3-2.21.el7pam_ssh_agent_auth-0.10.3-2.21.el7.x86_64.rpm

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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

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0.02 Low

EPSS

Percentile

88.5%

JSON
Related for CESA-2019:2143
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