CVE-2017-7295 Information

Description

An issue was discovered in Contiki Operating System 3.0. A use-after-free vulnerability exists in httpd-simple.c in cc26xx-web-demo httpd where upon a connection close event the http_state structure was not deallocated properly resulting in a NULL pointer dereference in the output processing function. This resulted in a board crash which can be used to perform denial of service.

CVSS Vector

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

Reference

https://gist.github.com/jackmcbride/c9328627f1ee104ce84f3fb7eff42f1e

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