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CVE-2022-24400— DCK pinning attack in TETRA

Quick assessment

Affected
ETSI TETRA Standard
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TETRA BURST是TETRA BURST公司的一款用于无线电通信的地面集群无线电标准。 TETRA BURST 存在安全漏洞，该漏洞源于身份验证算法中存在缺陷，攻击者利用该漏洞可以将派生密码 (DCK) 设置为 0。

CVSS 7.5 · High EPSS 0.27% · P18
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I. Basic Information for CVE-2022-24400

Vulnerability Information
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Vulnerability Title
DCK pinning attack in TETRA
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw in the TETRA authentication procecure allows a MITM adversary that can predict the MS challenge RAND2 to set session key DCK to zero.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在安全决策中依赖未经信任的输入
Source: CVE Program / CVE List V5
Vulnerability Title
TETRA BURST 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TETRA BURST是TETRA BURST公司的一款用于无线电通信的地面集群无线电标准。 TETRA BURST 存在安全漏洞，该漏洞源于身份验证算法中存在缺陷，攻击者利用该漏洞可以将派生密码 (DCK) 设置为 0。
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
ETSI TETRA Standard all -

II. Public POCs for CVE-2022-24400

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III. Intelligence Information for CVE-2022-24400

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Other References for CVE-2022-24400 (1)

Same Patch Batch · ETSI · 2023-10-19 · 4 CVEs total

CVE-2022-24402 8.8 HIGH Intentionally weakened effective strength in TETRA TEA1
CVE-2022-24401 8.8 HIGH Keystream recovery for arbitrary frames in TETRA
CVE-2022-24404 5.9 MEDIUM Ciphertext Malleability in TETRA

IV. Related Vulnerabilities

Same product: TETRA Standard
Same vendor: ETSI
Same weakness: CWE-807

V. Comments for CVE-2022-24400

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