CVE-2019-15258 Cisco SPA100 Series Analog Telephone Adapters Web Management Interface Denial of Service Vulnerability

Medium 6.5 Published Updated

An authenticated remote attacker can cause a denial of service on Cisco SPA100 Series ATAs by sending crafted requests to the web management interface.

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

What is CVE-2019-15258?

CVE-2019-15258 is a medium-severity denial of service vulnerability in Cisco SPA112 2-Port Phone Adapter, published on 16 Oct 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the web-based management interface of Cisco SPA100 Series Analog Telephone Adapters (ATAs) could allow an authenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper validation of user-supplied requests to the web-based management interface. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface of an affected device. A successful exploit could allow the attacker to cause the device to stop responding, requiring manual intervention for recovery.

Weakness: CWE-476, CWE-399

Which versions are affected by CVE-2019-15258?

It affects 2 products.

Products include Cisco Spa112 Firmware, Cisco Spa122 Firmware.

How do I fix CVE-2019-15258?

No fix has been published for CVE-2019-15258 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-2019-15258 being exploited?

There is no known exploitation of CVE-2019-15258 in the wild and no public exploit code.

Sources

Also known as GHSA-rj6q-hm9v-fgrq.

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