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Vulnerability Details : CVE-2018-7750

transport.py in the SSH server implementation of Paramiko before 1.17.6, 1.18.x before 1.18.5, 2.0.x before 2.0.8, 2.1.x before 2.1.5, 2.2.x before 2.2.3, 2.3.x before 2.3.2, and 2.4.x before 2.4.1 does not properly check whether authentication is completed before processing other requests, as demonstrated by channel-open. A customized SSH client can simply skip the authentication step.
Publish Date : 2018-03-13 Last Update Date : 2022-04-18
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
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 287

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2018:1124: python-paramiko security update (Critical) oval:com.redhat.rhsa:def:20181124 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-2018-7750

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 8.0 * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
3 Application Paramiko Paramiko * * * * Version Details Vulnerabilities
4 Application Paramiko Paramiko 2.4.0 * * * Version Details Vulnerabilities
5 Application Redhat Ansible Engine 2.0 * * * Version Details Vulnerabilities
6 Application Redhat Ansible Engine 2.4 * * * Version Details Vulnerabilities
7 Application Redhat Cloudforms 4.5 * * * Version Details Vulnerabilities
8 Application Redhat Cloudforms 4.6 * * * Version Details Vulnerabilities
9 OS Redhat Enterprise Linux Desktop 6.0 * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Server 6.0 * * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
12 OS Redhat Enterprise Linux Server Aus 6.4 * * * Version Details Vulnerabilities
13 OS Redhat Enterprise Linux Server Aus 6.5 * * * Version Details Vulnerabilities
14 OS Redhat Enterprise Linux Server Aus 6.6 * * * Version Details Vulnerabilities
15 OS Redhat Enterprise Linux Server Eus 6.7 * * * Version Details Vulnerabilities
16 OS Redhat Enterprise Linux Server Tus 6.6 * * * Version Details Vulnerabilities
17 OS Redhat Enterprise Linux Workstation 6.0 * * * Version Details Vulnerabilities
18 Application Redhat Virtualization 4.1 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 2
Paramiko Paramiko 2
Redhat Ansible Engine 2
Redhat Cloudforms 2
Redhat Enterprise Linux Desktop 1
Redhat Enterprise Linux Server 2
Redhat Enterprise Linux Server Aus 3
Redhat Enterprise Linux Server Eus 1
Redhat Enterprise Linux Server Tus 1
Redhat Enterprise Linux Workstation 1
Redhat Virtualization 1

- References For CVE-2018-7750

https://www.exploit-db.com/exploits/45712/
EXPLOIT-DB 45712
https://access.redhat.com/errata/RHSA-2018:1972
REDHAT RHSA-2018:1972
https://access.redhat.com/errata/RHSA-2018:1125
REDHAT RHSA-2018:1125
https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516 CONFIRM
https://access.redhat.com/errata/RHSA-2018:1274
REDHAT RHSA-2018:1274
https://access.redhat.com/errata/RHSA-2018:1124
REDHAT RHSA-2018:1124
https://usn.ubuntu.com/3603-1/
UBUNTU USN-3603-1
https://access.redhat.com/errata/RHSA-2018:0646
REDHAT RHSA-2018:0646
https://lists.debian.org/debian-lts-announce/2018/10/msg00018.html
MLIST [debian-lts-announce] 20181027 [SECURITY] [DLA 1556-1] paramiko security update
https://access.redhat.com/errata/RHSA-2018:1525
REDHAT RHSA-2018:1525
https://access.redhat.com/errata/RHSA-2018:1213
REDHAT RHSA-2018:1213
https://access.redhat.com/errata/RHSA-2018:1328
REDHAT RHSA-2018:1328
https://lists.debian.org/debian-lts-announce/2021/12/msg00025.html
MLIST [debian-lts-announce] 20211228 [SECURITY] [DLA 2860-1] paramiko security update
https://access.redhat.com/errata/RHSA-2018:0591
REDHAT RHSA-2018:0591
https://usn.ubuntu.com/3603-2/
UBUNTU USN-3603-2
http://www.securityfocus.com/bid/103713
BID 103713 Paramiko CVE-2018-7750 Authentication Bypass Vulnerability Release Date:2018-08-23
https://github.com/paramiko/paramiko/issues/1175 CONFIRM
https://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rst CONFIRM

- Metasploit Modules Related To CVE-2018-7750

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