CVE-2024-45796— Suricata defrag: off by one can lead to policy bypass
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I. Basic Information for CVE-2024-45796
Vulnerability Information
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Vulnerability Title
Suricata defrag: off by one can lead to policy bypass
Source: NVD (National Vulnerability Database)
Vulnerability Description
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to version 7.0.7, a logic error during fragment reassembly can lead to failed reassembly for valid traffic. An attacker could craft packets to trigger this behavior.This issue has been addressed in 7.0.7.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
Off-by-one错误
Source: NVD (National Vulnerability Database)
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，该漏洞源于片段重组期间的逻辑错误可能会导致有效流量重组失败。
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
II. Public POCs for CVE-2024-45796
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- https://redmine.openinfosecfoundation.org/issues/7067x_refsource_MISC
- https://github.com/OISF/suricata/security/advisories/GHSA-mf6r-3xp2-v7xgx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2024-45796
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-2024-47522 | 7.5 HIGH | Suricata ja4: invalid alpn leads to panic |
| CVE-2024-47187 | 7.5 HIGH | Suricata datasets: missing hashtable random seed leads to potential DoS |
IV. Related Vulnerabilities
Same product: suricata
- CVE-2026-31937
Suricata dcerpc: quadratic complexity in dcerpc buffering - CVE-2026-31935
Suricata http2: unbounded resource consumption - CVE-2026-31934
Suricata smtp/mine: quadratic complexity in extracting urls - CVE-2026-31933
Suricata stream: quadratic complexity in stream inspection - CVE-2026-31932
Suricata krb5: quadratic complexity in krb5 buffering
Same vendor: OISF
- CVE-2026-31937
Suricata dcerpc: quadratic complexity in dcerpc buffering - CVE-2026-31935
Suricata http2: unbounded resource consumption - CVE-2026-31934
Suricata smtp/mine: quadratic complexity in extracting urls - CVE-2026-31933
Suricata stream: quadratic complexity in stream inspection - CVE-2026-31932
Suricata krb5: quadratic complexity in krb5 buffering
V. Comments for CVE-2024-45796
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