CVE-2018-7750

CVSS V2 High 7.5 CVSS V3 Critical 9.8
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.
Overview
  • CVE ID
  • CVE-2018-7750
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-03-13T18:29:00
  • Last Modified Date
  • 2022-04-18T17:30:23
Weakness Enumerations
CWE URL
CWE-287 http://cwe.mitre.org/data/definitions/287.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:paramiko:paramiko:*:*:*:*:*:*:*:* 1 OR 1.17.6
cpe:2.3:a:paramiko:paramiko:*:*:*:*:*:*:*:* 1 OR 1.18.0 1.18.5
cpe:2.3:a:paramiko:paramiko:*:*:*:*:*:*:*:* 1 OR 2.0.0 2.0.8
cpe:2.3:a:paramiko:paramiko:*:*:*:*:*:*:*:* 1 OR 2.1.0 2.1.5
cpe:2.3:a:paramiko:paramiko:*:*:*:*:*:*:*:* 1 OR 2.2.0 2.2.3
cpe:2.3:a:paramiko:paramiko:*:*:*:*:*:*:*:* 1 OR 2.3.0 2.3.2
cpe:2.3:a:paramiko:paramiko:2.4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:ansible_engine:2.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:ansible_engine:2.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:cloudforms:4.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:cloudforms:4.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:virtualization:4.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:6.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_eus:6.7:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_tus:6.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516 Patch Third Party Advisory
https://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rst Third Party Advisory
https://github.com/paramiko/paramiko/issues/1175 Issue Tracking Third Party Advisory
https://usn.ubuntu.com/3603-2/ Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0591 Third Party Advisory
https://usn.ubuntu.com/3603-1/ Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0646 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1125 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1124 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1213 Third Party Advisory
http://www.securityfocus.com/bid/103713 Third Party Advisory VDB Entry
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://lists.debian.org/debian-lts-announce/2018/10/msg00018.html Mailing List Third Party Advisory
https://www.exploit-db.com/exploits/45712/ Exploit Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2021/12/msg00025.html Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-7750
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7750
History
Created Old Value New Value Data Type Notes
2022-05-10 15:41:53 Added to TrackCVE
2022-12-03 03:21:31 2018-03-13T18:29Z 2018-03-13T18:29:00 CVE Published Date updated
2022-12-03 03:21:31 2022-04-18T17:30:23 CVE Modified Date updated
2022-12-03 03:21:31 Analyzed Vulnerability Status updated