CVE-2013-7309 Denial of service in n/a

Medium 5.4 Published Updated

Remote attackers can cause routing disruption or leak sensitive information by sending crafted OSPF LSA packets to Extreme Networks EXOS devices.

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-2013-7309?

CVE-2013-7309 is a medium-severity denial of service vulnerability in n/a, published on 23 Jan 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The OSPF implementation in Extreme Networks EXOS does not consider the possibility of duplicate Link State ID values in Link State Advertisement (LSA) packets before performing operations on the LSA database, which allows remote attackers to cause a denial of service (routing disruption) or obtain sensitive packet information via a crafted LSA packet, a related issue to CVE-2013-0149.

Which versions are affected by CVE-2013-7309?

It affects 1 product.

Products include Extremenetworks Exos.

How do I fix CVE-2013-7309?

No fix has been published for CVE-2013-7309 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-2013-7309 being exploited?

There is no known exploitation of CVE-2013-7309 in the wild and no public exploit code.

Sources

Also known as GHSA-jj32-rpxp-wv7w.

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