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CVE-2024-51997— The Attestation Results Token can be arbitrarily modified without being detected in Trustee

Quick assessment

Affected
confidential-containers trustee
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

trustee是Confidential Containers开源的一个组件。 trustee 0.8.2版本之前存在授权问题漏洞，该漏洞源于由 AS 生成的 ART（Attestation Results Token）令牌可能被 MITM 攻击者操纵，但验证者（CoCo Verification Demander 如 KBS）仍可成功验证。

CVSS 8.1 · High EPSS 0.34% · P27

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-51997

Vulnerability Information
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Vulnerability Title
The Attestation Results Token can be arbitrarily modified without being detected in Trustee
Source: CVE Program / CVE List V5
Vulnerability Description
Trustee is a set of tools and components for attesting confidential guests and providing secrets to them. The ART (**Attestation Results Token**) token, generated by AS, could be manipulated by MITM attacker, but the verifier (CoCo Verification Demander like KBS) could still verify it successfully. In the payload of ART token, the ‘jwk’ could be replaced by attacker with his own pub key. Then attacker can use his own corresponding private key to sign the crafted ART token. Based on current code implementation (v0.8.0), such replacement and modification can not be detected. This issue has been addressed in version 0.8.2 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
trustee 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
trustee是Confidential Containers开源的一个组件。 trustee 0.8.2版本之前存在授权问题漏洞，该漏洞源于由 AS 生成的 ART（**Attestation Results Token**）令牌可能被 MITM 攻击者操纵，但验证者（CoCo Verification Demander 如 KBS）仍可成功验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
confidential-containers trustee < 0.8.2 -

II. Public POCs for CVE-2024-51997

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9555 chars
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III. Intelligence Information for CVE-2024-51997

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Vendor Advisories for CVE-2024-51997 (1)

IV. Related Vulnerabilities

Same product: trustee
Same vendor: confidential-containers
Same weakness: CWE-287

V. Comments for CVE-2024-51997

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