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  5. CVE-2022-36633

CVE-2022-36633: Improper Neutralization

August 25, 2022 (updated August 30, 2022)

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.

References

  • github.com/advisories/GHSA-6xf3-5hp7-xqqg
  • github.com/gravitational/teleport/pull/14726
  • github.com/gravitational/teleport/pull/14726/commits/46c23b9b64b944d1e82d2c8a79083f291ffdd3b6
  • github.com/gravitational/teleport/releases/tag/v10.1.2
  • github.com/gravitational/teleport/releases/tag/v8.3.17
  • github.com/gravitational/teleport/releases/tag/v9.3.13
  • nvd.nist.gov/vuln/detail/CVE-2022-36633
  • packetstormsecurity.com/files/168137/Teleport-9.3.6-Command-Injection.html

Code Behaviors & Features

Detect and mitigate CVE-2022-36633 with GitLab Dependency Scanning

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Affected versions

All versions before 8.3.17, all versions starting from 9.0.0 before 9.3.13, all versions starting from 10.0.0 before 10.1.2

Fixed versions

  • 8.3.17
  • 9.3.13
  • 10.1.2

Solution

Upgrade to versions 8.3.17, 9.3.13, 10.1.2 or above.

Impact 8.8 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-707: Improper Neutralization

Source file

go/github.com/gravitational/teleport/CVE-2022-36633.yml

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