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Vulnerability · Published Oct 16, 2024 · Assigned by GitHub_M

CVE-2024-45796Suricata defrag: off by one can lead to policy bypass

Medium 5.3

In plain English

A medium-severity security flaw in suricata from OISF. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.5%top 59.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20suricata7.0.7-r0ALPINE-CVE-2024-45796
Alpine:v3.21suricata7.0.7-r0ALPINE-CVE-2024-45796
Alpine:v3.22suricata7.0.7-r0ALPINE-CVE-2024-45796
Alpine:v3.23suricata7.0.7-r0ALPINE-CVE-2024-45796
Alpine:v3.24suricata7.0.7-r0ALPINE-CVE-2024-45796
Debian:13suricata1:7.0.7-1DEBIAN-CVE-2024-45796
Debian:14suricata1:7.0.7-1DEBIAN-CVE-2024-45796
Ubuntu:22.04:LTSsuricatano fix listedUBUNTU-CVE-2024-45796
Ubuntu:24.04:LTSsuricatano fix listedUBUNTU-CVE-2024-45796
Ubuntu:25.10suricatano fix listedUBUNTU-CVE-2024-45796
Ubuntu:26.04:LTSsuricatano fix listedUBUNTU-CVE-2024-45796
Ubuntu:26.10suricatano fix listedUBUNTU-CVE-2024-45796

Affected products (as reported)

VendorProductVersions
OISF suricata < 7.0.7

Weakness: CWE-193 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References