CVE-2017-12473 Denial of service in n/a

High 7.5 Published Updated

Attackers can crash the CCN-lite application by sending packets with incorrect length values, causing a denial of service.

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-2017-12473?

CVE-2017-12473 is a high-severity denial of service vulnerability in n/a, published on 7 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

ccnl_ccntlv_bytes2pkt in CCN-lite allows context-dependent attackers to cause a denial of service (application crash) via vectors involving packets with "wrong L values."

Weakness: CWE-20

Which versions are affected by CVE-2017-12473?

It affects 1 product.

Products include Ccn-Lite Ccn-Lite.

How do I fix CVE-2017-12473?

No fix has been published for CVE-2017-12473 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-2017-12473 being exploited?

There is no known exploitation of CVE-2017-12473 in the wild and no public exploit code.

Sources

Also known as GHSA-x7x7-xmxx-v7cx.

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