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CVE-2024-54137— liboqs has a correctness error in HQC decapsulation

Quick assessment

Affected
open-quantum-safe liboqs
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.

liboqs是Open Quantum Safe开源的一个用于量子安全加密算法的开源 C 库。 liboqs 0.12.0之前版本存在信息泄露漏洞，该漏洞源于索引错误，部分密钥被错误地视为非秘密数据，导致在使用格式错误的密文调用解封装函数时返回错误的共享秘密值。

CVSS 7.4 · High EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1552.003 · Shell History
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I. Basic Information for CVE-2024-54137

Vulnerability Information
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Vulnerability Title
liboqs has a correctness error in HQC decapsulation
Source: CVE Program / CVE List V5
Vulnerability Description
liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. A correctness error has been identified in the reference implementation of the HQC key encapsulation mechanism. Due to an indexing error, part of the secret key is incorrectly treated as non-secret data. This results in an incorrect shared secret value being returned when the decapsulation function is called with a malformed ciphertext. This vulnerability is fixed in 0.12.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
liboqs 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
liboqs是Open Quantum Safe开源的一个用于量子安全加密算法的开源 C 库。 liboqs 0.12.0之前版本存在信息泄露漏洞，该漏洞源于索引错误，部分密钥被错误地视为非秘密数据，导致在使用格式错误的密文调用解封装函数时返回错误的共享秘密值。
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
open-quantum-safe liboqs < 0.12.0 -

II. Public POCs for CVE-2024-54137

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 11097 chars
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III. Intelligence Information for CVE-2024-54137

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Patches & Fixes for CVE-2024-54137 (1)

Vendor Advisories for CVE-2024-54137 (1)

IV. Related Vulnerabilities

Same product: liboqs
Same vendor: open-quantum-safe
Same weakness: CWE-200

V. Comments for CVE-2024-54137

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