CVE-2019-15513 Denial of service in n/a

High 7.5 Published Updated

A mishandled lock in libuci causes a device hang when processing long SetWanSettings commands, affecting Motorola CX2L and C1 routers.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-15513?

CVE-2019-15513 is a high-severity denial of service vulnerability in n/a, published on 23 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-667

Which versions are affected by CVE-2019-15513?

It affects 3 products.

Products include Motorola C1 Mwr03 Firmware, Motorola Cx2l Mwr04l Firmware, Openwrt Libuci.

How do I fix CVE-2019-15513?

No fix has been published for CVE-2019-15513 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-15513 being exploited?

There is no known exploitation of CVE-2019-15513 in the wild and no public exploit code.

Sources

Also known as GHSA-hwg2-2rxq-2xm4.

Is CVE-2019-15513 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free