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Vulnerability · Published Feb 26, 2024 · Assigned by GitHub_M

CVE-2024-24568Suricata http2: header handling evasion

Medium 5.3

In plain English

A medium-severity improper access control 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 0.6% (higher than 51% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.6%top 49.2% 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 7.0.3, the rules inspecting HTTP2 headers can get bypassed by crafted traffic. The vulnerability has been patched in 7.0.3.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13suricata1:7.0.3-1DEBIAN-CVE-2024-24568
Debian:14suricata1:7.0.3-1DEBIAN-CVE-2024-24568
Ubuntu:22.04:LTSsuricatano fix listedUBUNTU-CVE-2024-24568
Ubuntu:24.04:LTSsuricatano fix listedUBUNTU-CVE-2024-24568
Ubuntu:25.10suricatano fix listedUBUNTU-CVE-2024-24568
Ubuntu:26.04:LTSsuricatano fix listedUBUNTU-CVE-2024-24568
Ubuntu:26.10suricatano fix listedUBUNTU-CVE-2024-24568

Affected products (as reported)

VendorProductVersions
OISF suricata >= 7.0.0, < 7.0.3

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References