Password disclosure via nonconstant-time authentication comparison
Published Jun 6, 2024 · Updated May 20, 2025
Timing exposure in ChuanhuChatGPT before 20240628 allows remote attackers to infer configured passwords through login-response timing. The auth_from_conf function compares the stored password with attacker input using Python's equality operator, whose early mismatch behavior exposes response-time differences. The web interface must use configured username-password authentication and be reachable; successful inference discloses a password and permits account access.
Summary
What happened
Timing exposure in ChuanhuChatGPT before 20240628 allows remote attackers to infer configured passwords through login-response timing. The auth_from_conf function compares the stored password with attacker input using Python's equality operator, whose early mismatch behavior exposes response-time differences. The web interface must use configured username-password authentication and be reachable; successful inference discloses a password and permits account access.
The record
- CVE
- CVE-2024-5124
- Published
- Jun 6, 2024
- Updated
- May 20, 2025
- Vendor
- GaiZhenbiao
- Product
- ChuanhuChatGPT
- Classifications
- CWE-203, T1110.001
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jun 6, 2024CVE publishedPublication date reported by the CVE source.
- May 20, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=all
- Affected versionversion=unspecified <20240628
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
- Huntr timing-attack proof of conceptproof of concept · unverified
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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