// For flags

CVE-2018-17194

 

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

When a client request to a cluster node was replicated to other nodes in the cluster for verification, the Content-Length was forwarded. On a DELETE request, the body was ignored, but if the initial request had a Content-Length value other than 0, the receiving nodes would wait for the body and eventually timeout. Mitigation: The fix to check DELETE requests and overwrite non-zero Content-Length header values was applied on the Apache NiFi 1.8.0 release. Users running a prior 1.x release should upgrade to the appropriate release.

Cuando una petición de cliente a un nodo del clúster se replicó a otros nodos en el clúster para verificarlos, se redireccionó el Content-Length. En una petición DELETE, el cuerpo fue ignorado, pero si la petición inicial contenía un valor Content-Length diferente de 0, los nodos recibidores esperarían al cuerpo y, finalmente, agotarían su tiempo de conexión. Mitigación: La solución para comprobar las peticiones DELETE y sobrescribir valores de la cabecera Content-Length que no son cero se aplicó en la versión 1.8.0 de Apache NiFi. Los usuarios que ejecuten una distribución 1.x anterior deben actualizarla a la distribución adecuada.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2018-09-19 CVE Reserved
  • 2018-12-19 CVE Published
  • 2024-08-05 CVE Updated
  • 2024-10-28 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://nifi.apache.org/security.html#CVE-2018-17194 2019-01-11
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apache
Search vendor "Apache"
 Nifi
Search vendor "Apache" for product "Nifi"
 >= 1.0.0 <= 1.7.1
Search vendor "Apache" for product "Nifi" and version " >= 1.0.0 <= 1.7.1"
-
Affected