CVE-2024-32664 Suricata's base64 contains an out of bounds write

2024-05-0714:57:01

CWE-120

CWE-122

GitHub_M

www.cve.org

suricata

buffer overflow

vulnerability

base64

network security

fix

workaround

rules

traffic

datasets

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

AI Score

5.9

Confidence

High

EPSS

Percentile

15.5%

JSON

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, specially crafted traffic or datasets can cause a limited buffer overflow. This vulnerability is fixed in 7.0.5 and 6.0.19. Workarounds include not use rules with base64_decode keyword with bytes option with value 1, 2 or 5 and for 7.0.x, setting app-layer.protocols.smtp.mime.body-md5 to false.

CNA Affected

[
  {
    "vendor": "OISF",
    "product": "suricata",
    "versions": [
      {
        "version": ">= 6.0.0, <= 6.0.18",
        "status": "affected"
      },
      {
        "version": ">= 7.0.0, <= 7.0.4",
        "status": "affected"
      }
    ]
  }
]