CVE-2019-15513 Information

Description

An issue was discovered in OpenWrt libuci (aka Library for the Unified Configuration Interface) before 15.05.1 as used on Motorola CX2L MWR04L 1.01 and C1 MWR03 1.01 devices. /tmp/.uci/network locking is mishandled after reception of a long SetWanSettings command leading to a device hang.

CVSS Vector

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

Reference

https://git.openwrt.org/?p=project/uci.git;a=commitdiff;h=19e29ffc15dbd958e8e6a648ee0982c68353516f https://github.com/TeamSeri0us/pocs/blob/master/iot/morouter/motorolaE8B7AFE794B1E599A8E69687E4BBB6E8A7A3E99481E6BC8FE6B49E.pdf https://lists.infradead.org/pipermail/openwrt-devel/2019-November/019736.html

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