// For flags

CVE-2018-20578

 

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An issue was discovered in NuttX before 7.27. The function netlib_parsehttpurl() in apps/netutils/netlib/netlib_parsehttpurl.c mishandles URLs longer than hostlen bytes (in the webclient, this is set by default to 40), leading to an Infinite Loop. The attack vector is the Location header of an HTTP 3xx response.

Se ha descubierto un problema en versiones anteriores a la 7.27 de NuttX. La función netlib_parsehttpurl() en apps/netutils/netlib/netlib_parsehttpurl.c gestiona de manera incorrecta las URL más largas que los bytes de hostlen (en el cliente web, esto se establece por defecto en 40), conduciendo a un bucle infinito. El vector de ataque es la cabecera Location de una respuesta HTTP 3xx.

*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
  • 2018-12-28 CVE Reserved
  • 2018-12-28 CVE Published
  • 2024-09-17 CVE Updated
  • 2024-09-17 First Exploit
  • 2024-12-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Nuttx
Search vendor "Nuttx"
 Nuttx
Search vendor "Nuttx" for product "Nuttx"
 < 7.27
Search vendor "Nuttx" for product "Nuttx" and version " < 7.27"
-
Affected