CVE-2024-38536 Suricata http/range: NULL-ptr deref when http.memcap is reached

2024-07-1114:54:32

CWE-476

GitHub_M

github.com

suricata network intrusion detection system

memory allocation failure

http memcap

null-ptr

upgrade 7.0.6

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

6.9

Confidence

High

EPSS

0.001

Percentile

21.6%

SSVC

Exploitation

none

Automatable

Technical Impact

total

JSON

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. A memory allocation failure due to http.memcap being reached leads to a NULL-ptr reference leading to a crash. Upgrade to 7.0.6.

CNA Affected

[
  {
    "vendor": "OISF",
    "product": "suricata",
    "versions": [
      {
        "status": "affected",
        "version": "< 7.0.6"
      }
    ]
  }
]

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:oisf:suricata:-:*:*:*:*:*:*:*"
    ],
    "vendor": "oisf",
    "product": "suricata",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "7.0.6",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]