SSH key password bypassed in warpgate
CVE-2023-43660

4.8MEDIUM

Key Information:

Vendor

Warp-tech

Status
Warpgate
Vendor
CVE Published:
27 September 2023

What is CVE-2023-43660?

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.

Affected Version(s)

warpgate < 0.8.1

References

https://github.com/warp-tech/warpgate/security/advisories...
x_refsource_CONFIRM
https://github.com/warp-tech/warpgate/commit/a4df7f7a2139...
x_refsource_MISC

CVSS V3.1

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2023-43660 : SSH key password bypassed in warpgate