Allocation of Resources Without Limits or Throttling in Suricata - CVE-2024-28870
Published: April 2, 2024 / Updated: April 27, 2026
Vulnerability identifier: #VU128048
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-28870
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Suricata
Suricata
Software vendor:
Open Information Security Foundation
Open Information Security Foundation
Description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to allocation of resources without limits or throttling in the ssh traffic parser when parsing an overly long SSH banner. A remote attacker can send a specially crafted SSH banner to cause a denial of service.
The issue can also cause excessive logging volume in alert records.
Remediation
Install security update from vendor's website.