// For flags

CVE-2024-32664

Suricata's base64 contains an out of bounds write

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

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.

Suricata es un sistema de detección de intrusiones en la red, un sistema de prevención de intrusiones y un motor de monitoreo de seguridad de la red. Antes de 7.0.5 y 6.0.19, el tráfico o los conjuntos de datos especialmente manipulados pueden provocar un desbordamiento limitado del búfer. Esta vulnerabilidad se solucionó en 7.0.5 y 6.0.19. Los workarounds incluyen no usar reglas con la palabra clave `base64_decode` con la opción `bytes` con valor 1, 2 o 5 y para 7.0.x, establecer `app-layer.protocols.smtp.mime.body-md5` en falso.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-04-16 CVE Reserved
  • 2024-04-23 CVE Published
  • 2024-08-02 CVE Updated
  • 2025-04-15 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
  • CWE-122: Heap-based Buffer Overflow
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
OISF
Search vendor "OISF"
 Suricata
Search vendor "OISF" for product "Suricata"
 >= 6.0.0 <= 6.0.18
Search vendor "OISF" for product "Suricata" and version " >= 6.0.0 <= 6.0.18"
en
Affected
OISF
Search vendor "OISF"
 Suricata
Search vendor "OISF" for product "Suricata"
 >= 7.0.0 <= 7.0.4
Search vendor "OISF" for product "Suricata" and version " >= 7.0.0 <= 7.0.4"
en
Affected