9.8
CRITICAL
CVE-2018-7750
Paramiko SSH Authentication Bypass
Description

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.

INFO

Published Date :

March 13, 2018, 6:29 p.m.

Last Modified :

April 18, 2022, 5:30 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2018-7750 has a 8 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2018-7750 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux_desktop
2 Redhat enterprise_linux_server
3 Redhat enterprise_linux_workstation
4 Redhat enterprise_linux_server_aus
5 Redhat enterprise_linux_server_eus
6 Redhat enterprise_linux_server_tus
7 Redhat ansible_engine
8 Redhat virtualization
9 Redhat cloudforms
1 Debian debian_linux
1 Paramiko paramiko
: Total Affected Vendor : 3 | Products : 11
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-7750.

URL Resource
http://www.securityfocus.com/bid/103713 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:0591 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0646 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1124 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1125 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1213 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1274 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1328 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1525 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1972 Third Party Advisory
https://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rst Third Party Advisory
https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516 Patch Third Party Advisory
https://github.com/paramiko/paramiko/issues/1175 Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/10/msg00018.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00025.html Mailing List Third Party Advisory
https://usn.ubuntu.com/3603-1/ Third Party Advisory
https://usn.ubuntu.com/3603-2/ Third Party Advisory
https://www.exploit-db.com/exploits/45712/ Exploit Third Party Advisory VDB Entry

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
seal-community/patches

A centralized repository of standalone security patches for open source libraries.

appsec backport cve devsecops fix hotfix open-source patch protection remediation seal security update upgrade vulnerability

Updated: 4 months, 3 weeks ago
182 stars 0 fork 0 watcher
Born at : July 30, 2023, 4:46 p.m. This repo has been linked 265 different CVEs too.
Profile Photo
VladimirFogel/PRO4

None

Dockerfile Python Shell C

Updated: 1 year, 6 months ago
0 stars 1 fork 1 watcher
Born at : March 1, 2023, 8:19 a.m. This repo has been linked 3 different CVEs too.
Profile Photo
Rubikcuv5/CVE-2018-10933

libSSH-Authentication-Bypass

Python

Updated: 2 years, 3 months ago
1 stars 1 fork 1 watcher
Born at : July 28, 2022, 1:49 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
anquanscan/sec-tools

None

Updated: 2 months, 2 weeks ago
17 stars 5 fork 5 watcher
Born at : July 28, 2022, 3:22 a.m. This repo has been linked 149 different CVEs too.
Profile Photo
jenriquezv/OSCP-Cheat-Sheets

Preparation OSCP

Updated: 2 years, 10 months ago
0 stars 0 fork 0 watcher
Born at : Jan. 4, 2022, 11:21 p.m. This repo has been linked 7 different CVEs too.
Profile Photo
hectorgie/PoC-in-GitHub

None

Updated: 1 year, 3 months ago
17 stars 10 fork 10 watcher
Born at : Jan. 2, 2021, 10:19 p.m. This repo has been linked 1050 different CVEs too.
Profile Photo
0xT11/CVE-POC

None

Updated: 3 months ago
82 stars 32 fork 32 watcher
Born at : Oct. 2, 2020, 2:49 p.m. This repo has been linked 1111 different CVEs too.
Profile Photo
jm33-m0/CVE-2018-7750

an RCE (remote command execution) approach of CVE-2018-7750

exploit poc cve-2018-7750

Python

Updated: 3 months, 1 week ago
21 stars 7 fork 7 watcher
Born at : Nov. 6, 2018, 10:01 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-7750 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-7750 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Apr. 18, 2022

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/12/msg00025.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/12/msg00025.html Mailing List, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:redhat:ansible_engine:2.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:ansible_engine:2.4:*:*:*:*:*:*:* *cpe:2.3:a:redhat:cloudforms:4.5:*:*:*:*:*:*:* *cpe:2.3:a:redhat:cloudforms:4.6:*:*:*:*:*:*:* *cpe:2.3:a:redhat:virtualization:4.1:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:6.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:6.7:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:6.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:ansible_engine:2.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:ansible_engine:2.4:*:*:*:*:*:*:* *cpe:2.3:a:redhat:cloudforms:4.5:*:*:*:*:*:*:* *cpe:2.3:a:redhat:cloudforms:4.6:*:*:*:*:*:*:* *cpe:2.3:a:redhat:virtualization:4.1:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:6.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:6.7:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:6.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Dec. 28, 2021

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2021/12/msg00025.html [No Types Assigned]
  • CPE Deprecation Remap by [email protected]

    Oct. 15, 2020

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:redhat:virtualization:4.1:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:virtualization:4.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 15, 2020

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:redhat:virtualization:4.0:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
  • Modified Analysis by [email protected]

    Feb. 28, 2019

    Action Type Old Value New Value
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:1525 No Types Assigned https://access.redhat.com/errata/RHSA-2018:1525 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:1328 No Types Assigned https://access.redhat.com/errata/RHSA-2018:1328 Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/10/msg00018.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/10/msg00018.html Mailing List, Third Party Advisory
    Changed Reference Type https://www.exploit-db.com/exploits/45712/ No Types Assigned https://www.exploit-db.com/exploits/45712/ Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:1125 No Types Assigned https://access.redhat.com/errata/RHSA-2018:1125 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:1213 No Types Assigned https://access.redhat.com/errata/RHSA-2018:1213 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:1972 No Types Assigned https://access.redhat.com/errata/RHSA-2018:1972 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:1124 No Types Assigned https://access.redhat.com/errata/RHSA-2018:1124 Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/103713 No Types Assigned http://www.securityfocus.com/bid/103713 Third Party Advisory, VDB Entry
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:1274 No Types Assigned https://access.redhat.com/errata/RHSA-2018:1274 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:redhat:ansible_engine:2.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:ansible_engine:2.4:*:*:*:*:*:*:* *cpe:2.3:a:redhat:cloudforms:4.5:*:*:*:*:*:*:* *cpe:2.3:a:redhat:cloudforms:4.6:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:6.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:6.7:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:6.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:virtualization:4.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:virtualization:4.1:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 31, 2018

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/45712/ [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 29, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/10/msg00018.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 27, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:1972 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 17, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:1525 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 08, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:1328 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 04, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:1274 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 26, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:1213 [No Types Assigned]
    Added Reference http://www.securityfocus.com/bid/103713 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 16, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:1125 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2018:1124 [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 11, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:0646 No Types Assigned https://access.redhat.com/errata/RHSA-2018:0646 Third Party Advisory
    Changed Reference Type https://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rst No Types Assigned https://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rst Third Party Advisory
    Changed Reference Type https://github.com/paramiko/paramiko/issues/1175 No Types Assigned https://github.com/paramiko/paramiko/issues/1175 Issue Tracking, Third Party Advisory
    Changed Reference Type https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516 No Types Assigned https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516 Patch, Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3603-2/ No Types Assigned https://usn.ubuntu.com/3603-2/ Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:0591 No Types Assigned https://access.redhat.com/errata/RHSA-2018:0591 Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3603-1/ No Types Assigned https://usn.ubuntu.com/3603-1/ Third Party Advisory
    Added CWE CWE-287
    Added CPE Configuration OR *cpe:2.3:a:paramiko:paramiko:*:*:*:*:*:*:*:* versions up to (excluding) 1.17.6 *cpe:2.3:a:paramiko:paramiko:*:*:*:*:*:*:*:* versions from (including) 1.18.0 up to (excluding) 1.18.5 *cpe:2.3:a:paramiko:paramiko:*:*:*:*:*:*:*:* versions from (including) 2.0.0 up to (excluding) 2.0.8 *cpe:2.3:a:paramiko:paramiko:*:*:*:*:*:*:*:* versions from (including) 2.1.0 up to (excluding) 2.1.5 *cpe:2.3:a:paramiko:paramiko:*:*:*:*:*:*:*:* versions from (including) 2.2.0 up to (excluding) 2.2.3 *cpe:2.3:a:paramiko:paramiko:*:*:*:*:*:*:*:* versions from (including) 2.3.0 up to (excluding) 2.3.2 *cpe:2.3:a:paramiko:paramiko:2.4.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 07, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:0646 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 05, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3603-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 28, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:0591 [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 22, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3603-2/ [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 16, 2018

    Action Type Old Value New Value
    Added Reference https://github.com/paramiko/paramiko/issues/1175 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-7750 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-7750 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

4.79 }} -1.84%

score

0.92745

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: