Upstream information

CVE-2023-42818 at MITRE

Description

JumpServer is an open source bastion host. When users enable MFA and use a public key for authentication, the Koko SSH server does not verify the corresponding SSH private key. An attacker could exploit a vulnerability by utilizing a disclosed public key to attempt brute-force authentication against the SSH service This issue has been patched in versions 3.6.5 and 3.5.6. Users are advised to upgrade. There are no known workarounds for this issue.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having critical severity.

CVSS v3 Scores
CVSS detail CNA (GitHub) National Vulnerability Database
Base Score 5.4 9.8
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required None None
User Interaction Required None
Scope Unchanged Unchanged
Confidentiality Impact None High
Integrity Impact Low High
Availability Impact Low High
CVSSv3 Version 3.1 3.1
No SUSE Bugzilla entries cross referenced.

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
Container bci/kiwi:10
  • java-21-openjdk-headless >= 21.0.10.0-160000.1.1
Container suse/sl-micro/6.0/baremetal-os-container:latest
  • kernel-firmware-all >= 20241128-slfo.1.1_2.1
  • kernel-firmware-amdgpu >= 20241128-slfo.1.1_2.1
  • kernel-firmware-ath10k >= 20241128-slfo.1.1_2.1
  • kernel-firmware-ath11k >= 20241128-slfo.1.1_2.1
  • kernel-firmware-ath12k >= 20241128-slfo.1.1_2.1
  • kernel-firmware-atheros >= 20241128-slfo.1.1_2.1
  • kernel-firmware-bluetooth >= 20241128-slfo.1.1_2.1
  • kernel-firmware-bnx2 >= 20241128-slfo.1.1_2.1
  • kernel-firmware-brcm >= 20241128-slfo.1.1_2.1
  • kernel-firmware-chelsio >= 20241128-slfo.1.1_2.1
  • kernel-firmware-dpaa2 >= 20241128-slfo.1.1_2.1
  • kernel-firmware-i915 >= 20241128-slfo.1.1_2.1
  • kernel-firmware-intel >= 20241128-slfo.1.1_2.1
  • kernel-firmware-iwlwifi >= 20241128-slfo.1.1_2.1
  • kernel-firmware-liquidio >= 20241128-slfo.1.1_2.1
  • kernel-firmware-marvell >= 20241128-slfo.1.1_2.1
  • kernel-firmware-media >= 20241128-slfo.1.1_2.1
  • kernel-firmware-mediatek >= 20241128-slfo.1.1_2.1
  • kernel-firmware-mellanox >= 20241128-slfo.1.1_2.1
  • kernel-firmware-mwifiex >= 20241128-slfo.1.1_2.1
  • kernel-firmware-network >= 20241128-slfo.1.1_2.1
  • kernel-firmware-nfp >= 20241128-slfo.1.1_2.1
  • kernel-firmware-nvidia >= 20241128-slfo.1.1_2.1
  • kernel-firmware-platform >= 20241128-slfo.1.1_2.1
  • kernel-firmware-prestera >= 20241128-slfo.1.1_2.1
  • kernel-firmware-qcom >= 20241128-slfo.1.1_2.1
  • kernel-firmware-qlogic >= 20241128-slfo.1.1_2.1
  • kernel-firmware-radeon >= 20241128-slfo.1.1_2.1
  • kernel-firmware-realtek >= 20241128-slfo.1.1_2.1
  • kernel-firmware-serial >= 20241128-slfo.1.1_2.1
  • kernel-firmware-sound >= 20241128-slfo.1.1_2.1
  • kernel-firmware-ti >= 20241128-slfo.1.1_2.1
  • kernel-firmware-ueagle >= 20241128-slfo.1.1_2.1
  • kernel-firmware-usb-network >= 20241128-slfo.1.1_2.1
Container suse/sl-micro/6.0/base-os-container:2.1.3-7.186
Image SLE-Micro
Image SLE-Micro-BYOS
Image SLE-Micro-BYOS-EC2
Image SLE-Micro-BYOS-GCE
Image SLE-Micro-EC2
Image SLE-Micro-GCE
  • libpng16-16 >= 1.6.44-160000.5.1
Container suse/sles/16.0/toolbox:latest
Image SLES-Azure-3P
Image SLES-Azure-Basic
Image SLES-Azure-Standard
Image SLES-BYOS-Azure
Image SLES-BYOS-EC2
Image SLES-BYOS-GCE
Image SLES-EC2
Image SLES-GCE
Image SLES-GCE-3P
Image SLES-Hardened-BYOS-Azure
Image SLES-Hardened-BYOS-EC2
Image SLES-Hardened-BYOS-GCE
Image SLES-SAP-Azure
Image SLES-SAP-Azure-3P
Image SLES-SAP-BYOS-Azure
Image SLES-SAP-BYOS-EC2
Image SLES-SAP-BYOS-GCE
Image SLES-SAP-EC2
Image SLES-SAP-GCE
Image SLES-SAP-GCE-3P
Image SLES-SAPCAL-Azure
Image SLES-SAPCAL-EC2
Image SLES-SAPCAL-GCE
  • man >= 2.13.1-160000.1.1
Image SLE-Micro-Azure
Image SLE-Micro-BYOS-Azure
  • libpng16-16 >= 1.6.44-160000.5.1
  • python311-dnspython >= 2.4.2-2.1
SUSE Linux Enterprise Server 16.0
  • govulncheck-vulndb >= 0.0.20250814T182633-160000.1.2
 Patchnames:
SUSE Linux Enterprise Server 16.0 GA govulncheck-vulndb-0.0.20250814T182633-160000.1.2 (aarch64,ppc64le,s390x,x86_64)
SUSE Linux Enterprise Server 16.1
  • govulncheck-vulndb >= 0.0.20250814T182633-160099.2.2
 Patchnames:
SUSE Linux Enterprise Server 16.1 GA govulncheck-vulndb-0.0.20250814T182633-160099.2.2 (aarch64,ppc64le,s390x,x86_64)
SUSE Linux Enterprise Server for SAP applications 16.0
  • govulncheck-vulndb >= 0.0.20250814T182633-160000.1.2
 Patchnames:
SUSE Linux Enterprise Server for SAP applications 16.0 GA govulncheck-vulndb-0.0.20250814T182633-160000.1.2 (aarch64,ppc64le,s390x,x86_64)
openSUSE Tumbleweed
  • govulncheck-vulndb >= 0.0.20250612T141001-1.1
 Patchnames:
openSUSE-Tumbleweed-2025-15225

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products at an unknown state of their lifecycle.
SUSE Linux Enterprise Server 16.2 govulncheck-vulndb Affected

SUSE Timeline for this CVE

CVE page created: Thu Sep 28 00:00:19 2023
CVE page last modified: Sat Oct 10 21:29:43 2026