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CVE-2023-33965 — Vulnerability in github.com/txthinking/brook —...

CRITICAL

Brook's tproxy server is vulnerable to a drive-by command injection.

Published June 6, 2023Updated September 10, 2026Source: osv

Summary

The `tproxy` server is vulnerable to a drive-by command injection. An attacker may fool a victim into visiting a malicious web page which will trigger requests to the local `tproxy` service leading to remote code execution.

Advisory Timeline

  • First published June 6, 2023 (1224 days ago).
  • Last revised September 10, 2026 — 1192 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Go
Update github.com/txthinking/brook to 20230606 or later
go get github.com/txthinking/brook@v20230606

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: go (1).

PackageEcosystemAffectedFixed In
github.com/txthinking/brook
go
All versions20230606

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-78
    OS Command InjectionMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.6 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

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

References

Frequently Asked Questions

What is CVE-2023-33965?
Brook's tproxy server is vulnerable to a drive-by command injection. This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.6/10).
How do I check if my project is affected by CVE-2023-33965?
CVE-2023-33965 affects github.com/txthinking/brook. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2023-33965 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.6

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-vfrj-fv6p-3cpf

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