CVE-2018-0469 Cisco IOS XE Software Web UI Denial of Service Vulnerability

Medium 6.8 Published 5 Oct 2018 Updated 26 Nov 2024

Unauthenticated remote attackers can cause a denial of service by triggering a double-free error in the web UI.

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-2018-0469?

CVE-2018-0469 is a medium-severity memory corruption vulnerability in Cisco Ios Xe, 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 web user interface of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to a double-free-in-memory handling by the affected software when specific HTTP requests are processed. An attacker could exploit this vulnerability by sending specific HTTP requests to the web user interface of the affected software. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition on an affected device. To exploit this vulnerability, the attacker must have access to the management interface of the affected software, which is typically connected to a restricted management network.

Weakness: CWE-415

Which versions are affected by CVE-2018-0469?

It affects 1 product.

Products include Cisco Ios Xe.

How do I fix CVE-2018-0469?

No fix has been published for CVE-2018-0469 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-0469 being exploited?

There is no known exploitation of CVE-2018-0469 in the wild and no public exploit code.

All Cisco Ios Xe vulnerabilities

Sources

Also known as GHSA-mx9c-5j73-j9h5.