CVE-2023-43660— SSH key password bypassed in warpgate
Quick assessment
Affected
warp-tech warpgate
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Warpgate是warp-tech项目的一款适用于 Linux 的智能 SSH、HTTPS 和 MySQL 堡垒主机。 Warpgate 0.8.0之前版本存在数据伪造问题漏洞，该漏洞源于通过发送不带签名的 SSH 密钥提议可以绕过用户的 SSH 密钥验证。
Possible ATT&CK Techniques 1 AI
T1078 · Valid Accounts
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I. Basic Information for CVE-2023-43660
Vulnerability Information
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Vulnerability Title
SSH key password bypassed in warpgate
Source: CVE Program / CVE List V5
Vulnerability Description
Warpgate is a smart SSH, HTTPS and MySQL bastion host for Linux that doesn't need special client apps. The SSH key verification for a user can be bypassed by sending an SSH key offer without a signature. This allows bypassing authentication under following conditions: 1. The attacker knows the username and a valid target name 2. The attacked knows the user's public key and 3. Only SSH public key authentication is required for the user account. This issue has been addressed in version 0.8.1. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Warpgate 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Warpgate是warp-tech项目的一款适用于 Linux 的智能 SSH、HTTPS 和 MySQL 堡垒主机。 Warpgate 0.8.0之前版本存在数据伪造问题漏洞，该漏洞源于通过发送不带签名的 SSH 密钥提议可以绕过用户的 SSH 密钥验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2023-43660
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Patches & Fixes for CVE-2023-43660 (1)
Vendor Advisories for CVE-2023-43660 (1)
-
https://github.com/warp-tech/warpgate/security/advisories/GHSA-3cjp-w4cp-m9c8 x_refsource_CONFIRM
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Same vendor: warp-tech
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Same weakness: CWE-287
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V. Comments for CVE-2023-43660
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