CVE-2018-20578 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://bitbucket.org/nuttx/nuttx/downloads/nuttx-7_27-README.txt https://bitbucket.org/nuttx/nuttx/issues/119/denial-of-service-infinite-loop-while 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.

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5