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Vulnerability Details : CVE-2018-15473

OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.
Publish Date : 2018-08-17 Last Update Date : 2023-02-23
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 362

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2019:0711: openssh security update (Low) oval:com.redhat.rhsa:def:20190711 unix
RHSA-2019:2143: openssh security, bug fix, and enhancement update (Low) oval:com.redhat.rhsa:def:20192143 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2018-15473

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 14.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 18.04 * * * Version Details Vulnerabilities
4 OS Debian Debian Linux 8.0 * * * Version Details Vulnerabilities
5 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
6 Application Netapp Aff Baseboard Management Controller - * * * Version Details Vulnerabilities
7 Application Netapp Cloud Backup - * * * Version Details Vulnerabilities
8 OS Netapp Clustered Data Ontap - * * * Version Details Vulnerabilities
9 OS Netapp Data Ontap - * * * Version Details Vulnerabilities
10 Application Netapp Data Ontap Edge - * * * Version Details Vulnerabilities
11 Application Netapp Fas Baseboard Management Controller - * * * Version Details Vulnerabilities
12 Application Netapp Oncommand Unified Manager * * * * Version Details Vulnerabilities
13 Application Netapp Ontap Select Deploy - * * * Version Details Vulnerabilities
14 Application Netapp Service Processor - * * * Version Details Vulnerabilities
15 Application Netapp Steelstore Cloud Integrated Storage - * * * Version Details Vulnerabilities
16 Application Netapp Virtual Storage Console * * * * Version Details Vulnerabilities
17 Application Openbsd Openssh * * * * Version Details Vulnerabilities
18 Application Oracle Sun Zfs Storage Appliance Kit 8.8.6 * * * Version Details Vulnerabilities
19 OS Redhat Enterprise Linux Desktop 6.0 * * * Version Details Vulnerabilities
20 OS Redhat Enterprise Linux Desktop 7.0 * * * Version Details Vulnerabilities
21 OS Redhat Enterprise Linux Server 6.0 * * * Version Details Vulnerabilities
22 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
23 OS Redhat Enterprise Linux Workstation 6.0 * * * Version Details Vulnerabilities
24 OS Redhat Enterprise Linux Workstation 7.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 3
Debian Debian Linux 2
Netapp Aff Baseboard Management Controller 1
Netapp Cloud Backup 1
Netapp Clustered Data Ontap 1
Netapp Data Ontap 1
Netapp Data Ontap Edge 1
Netapp Fas Baseboard Management Controller 1
Netapp Oncommand Unified Manager 1
Netapp Ontap Select Deploy 1
Netapp Service Processor 1
Netapp Steelstore Cloud Integrated Storage 1
Netapp Virtual Storage Console 1
Openbsd Openssh 1
Oracle Sun Zfs Storage Appliance Kit 1
Redhat Enterprise Linux Desktop 2
Redhat Enterprise Linux Server 2
Redhat Enterprise Linux Workstation 2

- References For CVE-2018-15473

https://usn.ubuntu.com/3809-1/
UBUNTU USN-3809-1
https://www.exploit-db.com/exploits/45233/
EXPLOIT-DB 45233
https://access.redhat.com/errata/RHSA-2019:2143
REDHAT RHSA-2019:2143
http://www.openwall.com/lists/oss-security/2018/08/15/5
https://access.redhat.com/errata/RHSA-2019:0711
REDHAT RHSA-2019:0711
http://www.securityfocus.com/bid/105140
BID 105140 OpenSSH CVE-2018-15473 User Enumeration Vulnerability Release Date:2019-04-19
https://www.exploit-db.com/exploits/45939/
EXPLOIT-DB 45939
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf CONFIRM
https://github.com/openbsd/src/commit/779974d35b4859c07bc3cb8a12c74b43b0a7d1e0
https://security.netapp.com/advisory/ntap-20181101-0001/ CONFIRM
http://www.securitytracker.com/id/1041487
SECTRACK 1041487
https://bugs.debian.org/906236
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0011 CONFIRM
https://www.exploit-db.com/exploits/45210/
EXPLOIT-DB 45210
https://lists.debian.org/debian-lts-announce/2018/08/msg00022.html
MLIST [debian-lts-announce] 20180821 [SECURITY] [DLA-1474-1] openssh security update
https://www.oracle.com/security-alerts/cpujan2020.html
https://www.debian.org/security/2018/dsa-4280
DEBIAN DSA-4280
https://security.gentoo.org/glsa/201810-03
GENTOO GLSA-201810-03

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0

- Metasploit Modules Related To CVE-2018-15473

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)
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