CVE Vulnerability

CVE-2018-20578

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bitbucket.org/nuttx/nuttx/issues/119/denial-of-service-infinite-loop-while Exploit Patch
https://bitbucket.org/nuttx/nuttx/downloads/nuttx-7_27-README.txt Release Notes Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:nuttx:nuttx:*:*:*:*:*:*:*:*
Information

Published : 2018-12-28 06:29

Updated : 2019-10-03 12:03

NVD link : CVE-2018-20578

Mitre link : CVE-2018-20578

Products Affected
No products.
CWE
CWE-835