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

2024-04-0321:13:48

CWE-770

GitHub_M

www.cve.org

cve-2024-28870

suricata

network security

intrusion detection

intrusion prevention

oisf

ssh parsing

cpu resources

logging

patch

versions 6.0.17

7.0.4

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

7.8

Confidence

High

EPSS

Percentile

9.0%

JSON

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.

CNA Affected

[
  {
    "vendor": "OISF",
    "product": "suricata",
    "versions": [
      {
        "version": "<= 6.0.16",
        "status": "affected"
      },
      {
        "version": ">= 7.0.0, <= 7.0.3",
        "status": "affected"
      }
    ]
  }
]