CVE-2013-5477 Denial of service in n/a

High 7.8 Published Updated

Remote attackers can cause a denial of service in Cisco IOS devices using HDLC32 drivers by sending bursty network traffic.

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-2013-5477?

CVE-2013-5477 is a high-severity denial of service vulnerability in Cisco Ios, published on 27 Sep 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The T1/E1 driver-queue functionality in Cisco IOS 12.2 and 15.0 through 15.3, when an HDLC32 driver is used, allows remote attackers to cause a denial of service (interface queue wedge) via bursty network traffic, aka Bug ID CSCub67465.

Weakness: CWE-20

Which versions are affected by CVE-2013-5477?

It affects 1 product.

Products include Cisco Ios.

How do I fix CVE-2013-5477?

No fix has been published for CVE-2013-5477 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-2013-5477 being exploited?

There is no known exploitation of CVE-2013-5477 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-hpvx-4qg5-5q4q.

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