CVE-2009-5038 Denial of service in n/a

High 7.8 Published Updated

Remote attackers can cause a denial of service by triggering a device reload via IRC traffic shortly after a Cisco IOS reload.

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-2009-5038?

CVE-2009-5038 is a high-severity denial of service vulnerability in Cisco Ios, published on 7 Jan 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco IOS before 15.0(1)XA does not properly handle IRC traffic during a specific time period after an initial reload, which allows remote attackers to cause a denial of service (device reload) via an attempted connection to a certain IRC server, related to a "corrupted magic value," aka Bug ID CSCso05336.

Weakness: CWE-20

Which versions are affected by CVE-2009-5038?

It affects 1 product.

Products include Cisco Ios.

How do I fix CVE-2009-5038?

No fix has been published for CVE-2009-5038 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-2009-5038 being exploited?

There is no known exploitation of CVE-2009-5038 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-p246-42mx-3wpf.

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