CVE-2019-15513: High severity openwrt libuci vulnerability

Published Aug 23, 2019
·
Updated

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.

Affected Software

5 affected components
OpenWrt libuci
Motorola Cx2l Mwr04l Firmware=1.01
Motorola CX2L MWR04L
Motorola C1 Mwr03 Firmware=1.01
Motorola C1 MWR03

Event History

Aug 23, 2019
CVE Published
via MITRE·06:48 AM
Data Sourced
via MITRE·06:48 AM
Description
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Frequently Asked Questions

1

What is CVE-2019-15513?

CVE-2019-15513 is a vulnerability found in OpenWrt libuci, which is the Library for the Unified Configuration Interface.

2

How does CVE-2019-15513 affect the Motorola CX2L MWR04L 1.01 device?

CVE-2019-15513 affects the Motorola CX2L MWR04L 1.01 device by mishandling /tmp/.uci/network locking after receiving a long SetWanSettings command, which can lead to a device hang.

3

What is the severity of CVE-2019-15513?

CVE-2019-15513 has a severity rating of 7.5 (High).

4

How can I fix the vulnerability CVE-2019-15513?

To fix CVE-2019-15513, it is recommended to update to OpenWrt libuci version 15.05.1 or later.

5

Where can I find more information about CVE-2019-15513?

You can find more information about CVE-2019-15513 at the following references: [Reference 1](https://git.openwrt.org/?p=project/uci.git;a=commitdiff;h=19e29ffc15dbd958e8e6a648ee0982c68353516f), [Reference 2](https://github.com/TeamSeri0us/pocs/blob/master/iot/morouter/motorola%E8%B7%AF%E7%94%B1%E5%99%A8%E6%96%87%E4%BB%B6%E8%A7%A3%E9%94%81%E6%BC%8F%E6%B4%9E.pdf), [Reference 3](https://lists.infradead.org/pipermail/openwrt-devel/2019-November/019736.html).

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