CVE-2018-15377 Cisco IOS and IOS XE Software Plug and Play Agent Memory Leak Vulnerability

High 8.6 Published 5 Oct 2018 Updated 26 Nov 2024

An unauthenticated remote attacker can cause a memory leak and device reload by sending invalid data to the Cisco Network Plug and Play agent.

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-2018-15377?

CVE-2018-15377 is a high-severity denial of service vulnerability in Cisco Ios, published on 5 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the Cisco Network Plug and Play agent, also referred to as the Cisco Open Plug-n-Play agent, of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak on an affected device. The vulnerability is due to insufficient input validation by the affected software. An attacker could exploit this vulnerability by sending invalid data to the Cisco Network Plug and Play agent on an affected device. A successful exploit could allow the attacker to cause a memory leak on the affected device, which could cause the device to reload.

Weakness: CWE-401, CWE-400

Which versions are affected by CVE-2018-15377?

It affects 1 product.

Products include Cisco Ios.

How do I fix CVE-2018-15377?

No fix has been published for CVE-2018-15377 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-2018-15377 being exploited?

There is no known exploitation of CVE-2018-15377 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-88ph-qq7q-p3qv.