gravitational/teleport · Security
Improper token validation leading to code execution in Teleport
- GHSA ID
- GHSA-6xf3-5hp7-xqqg
- CVE ID
- CVE-2022-36633
- Severity
- high
- Published
- Updated
- CVSS
- 8.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS v3
- 8.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
Teleport 9.3.6 is vulnerable to Command injection leading to Remote Code Execution. An attacker can craft a malicious ssh agent installation link by URL encoding a bash escape with carriage return line feed. This url encoded payload can be used in place of a token and sent to a user in a social engineering attack. This is fully unauthenticated attack utilizing the trusted teleport server to deliver the payload.
CWEs
- CWE-20 · Improper Input Validation
- CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
References
- https://nvd.nist.gov/vuln/detail/CVE-2022-36633 ↗
- https://github.com/gravitational/teleport/pull/14726 ↗
- https://github.com/gravitational/teleport/pull/14726/commits/46c23b9b64b944d1e82d2c8a79083f291ffdd3b6 ↗
- https://github.com/gravitational/teleport/releases/tag/v10.1.2 ↗
- https://github.com/gravitational/teleport/releases/tag/v8.3.17 ↗
- https://github.com/gravitational/teleport/releases/tag/v9.3.13 ↗
- https://github.com/gravitational/teleport ↗
- https://packetstormsecurity.com/files/168137/Teleport-9.3.6-Command-Injection.html ↗
- http://packetstormsecurity.com/files/168477/Teleport-10.1.1-Remote-Code-Execution.html ↗
- https://github.com/advisories/GHSA-6xf3-5hp7-xqqg ↗