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CVE-2024-47522— Suricata ja4: invalid alpn leads to panic

Quick assessment

Affected
OISF suricata
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.

Suricata是Open Information Security基金会的一个网络IDS、IPS和NSM引擎。 Suricata 7.0.7之前版本存在安全漏洞，该漏洞源于启用 JA4 matching/logging时，TLS/QUIC流量中的无效ALPN可能会导致Suricata中止并出现恐慌。

CVSS 7.5 · High EPSS 0.60% · P47

Possible ATT&CK Techniques 1 AI

T1205.008
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I. Basic Information for CVE-2024-47522

Vulnerability Information
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Vulnerability Title
Suricata ja4: invalid alpn leads to panic
Source: CVE Program / CVE List V5
Vulnerability Description
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to version 7.0.7, invalid ALPN in TLS/QUIC traffic when JA4 matching/logging is enabled can lead to Suricata aborting with a panic. This issue has been addressed in 7.0.7. One may disable ja4 as a workaround.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
Source: CVE Program / CVE List V5
Vulnerability Title
Suricata 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Suricata是Open Information Security基金会的一个网络IDS、IPS和NSM引擎。 Suricata 7.0.7之前版本存在安全漏洞，该漏洞源于启用 JA4 matching/logging时，TLS/QUIC流量中的无效ALPN可能会导致Suricata中止并出现恐慌。
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
OISF suricata < 7.0.7 -

II. Public POCs for CVE-2024-47522

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 13013 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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Trigger conditions & impact
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Exploit chain & mitigation
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III. Intelligence Information for CVE-2024-47522

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Vendor Advisories for CVE-2024-47522 (1)

Other References for CVE-2024-47522 (1)

Same Patch Batch · OISF · 2024-10-16 · 6 CVEs total

CVE-2024-45795 7.5 HIGH Suricata detect/datasets: reachable assertion with unimplemented rule option
CVE-2024-45797 7.5 HIGH LibHTP's unbounded header handling leads to denial service
CVE-2024-47188 7.5 HIGH Suricata http/byte-ranges: missing hashtable random seed leads to potential DoS
CVE-2024-47187 7.5 HIGH Suricata datasets: missing hashtable random seed leads to potential DoS
CVE-2024-45796 5.3 MEDIUM Suricata defrag: off by one can lead to policy bypass

IV. Related Vulnerabilities

Same product: suricata
Same vendor: OISF
Same weakness: CWE-617

V. Comments for CVE-2024-47522

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