National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-7750 Detail

Current 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.

Source:  MITRE
Description Last Modified:  03/13/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.8 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink 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://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

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
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:*:*:*:*:*:*:*
Configuration 2
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:*:*:*:*:*:*:*

Denotes Vulnerable Software
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Change History

15 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-7750
NVD Published Date:
03/13/2018
NVD Last Modified:
02/28/2019