Vulnerability · Published Apr 3, 2024 · Assigned by GitHub_M

CVE-2024-28870Suricata uses excessive resource use in malformed ssh traffic parsing

High 7.5

In plain English

A high-severity resource allocation without limits 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 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 51.8% 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 developed by the OISF and the Suricata community. When parsing an overly long SSH banner, Suricata can use excessive CPU resources, as well as cause excessive logging volume in alert records. This issue has been patched in versions 6.0.17 and 7.0.4.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13suricata1:7.0.4-1DEBIAN-CVE-2024-28870
Debian:14suricata1:7.0.4-1DEBIAN-CVE-2024-28870
Ubuntu:22.04:LTSsuricatano fix listedUBUNTU-CVE-2024-28870
Ubuntu:24.04:LTSsuricatano fix listedUBUNTU-CVE-2024-28870
Ubuntu:25.10suricatano fix listedUBUNTU-CVE-2024-28870
Ubuntu:26.04:LTSsuricatano fix listedUBUNTU-CVE-2024-28870
Ubuntu:26.10suricatano fix listedUBUNTU-CVE-2024-28870

Affected products (as reported)

VendorProductVersions
OISF suricata <= 6.0.16>= 7.0.0, <= 7.0.3

Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References