// For flags

CVE-2020-8443

 

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to an off-by-one heap-based buffer overflow during the cleaning of crafted syslog msgs (received from authenticated remote agents and delivered to the analysisd processing queue by ossec-remoted).

En OSSEC-HIDS versiones 2.7 hasta 3.5.0, el componente del servidor responsable del análisis de registro (ossec-analysisd) es vulnerable a un desbordamiento de búfer en la región heap de la memoria por un paso durante la limpieza de los mensajes syslog diseñados (recibidos desde agentes remotos autenticados y entregados a la cola de procesamiento de analysisd por ossec-remoted).

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-01-30 CVE Reserved
  • 2020-01-30 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-08-04 First Exploit
  • 2024-09-14 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-193: Off-by-one Error
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Ossec
Search vendor "Ossec"
 Ossec
Search vendor "Ossec" for product "Ossec"
 >= 2.7 <= 3.5.0
Search vendor "Ossec" for product "Ossec" and version " >= 2.7 <= 3.5.0"
-
Affected