CVE-2008-2739 Denial of service in n/a

High 7.8 Published Updated

Remote attackers can crash or hang Cisco IOS devices by sending network traffic that triggers specific Intrusion Prevention System signatures.

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-2008-2739?

CVE-2008-2739 is a high-severity denial of service vulnerability in Cisco Ios, published on 26 Sep 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The SERVICE.DNS signature engine in the Intrusion Prevention System (IPS) in Cisco IOS 12.3 and 12.4 allows remote attackers to cause a denial of service (device crash or hang) via network traffic that triggers unspecified IPS signatures, a different vulnerability than CVE-2008-1447.

Which versions are affected by CVE-2008-2739?

It affects 1 product.

Products include Cisco Ios.

How do I fix CVE-2008-2739?

No fix has been published for CVE-2008-2739 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-2008-2739 being exploited?

There is no known exploitation of CVE-2008-2739 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-3x69-mjh4-vwh4.

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