CVE-2009-0631 Denial of service in n/a

High 7.8 Published Updated

Remote attackers can cause denial of service on Cisco IOS devices via crafted UDP packets when specific protocols are enabled.

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-2009-0631?

CVE-2009-0631 is a high-severity denial of service vulnerability in Cisco Ios, published on 27 Mar 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unspecified vulnerability in Cisco IOS 12.0 through 12.4, when configured with (1) IP Service Level Agreements (SLAs) Responder, (2) Session Initiation Protocol (SIP), (3) H.323 Annex E Call Signaling Transport, or (4) Media Gateway Control Protocol (MGCP) allows remote attackers to cause a denial of service (blocked input queue on the inbound interface) via a crafted UDP packet.

Which versions are affected by CVE-2009-0631?

It affects 1 product.

Products include Cisco Ios.

How do I fix CVE-2009-0631?

No fix has been published for CVE-2009-0631 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-2009-0631 being exploited?

There is no known exploitation of CVE-2009-0631 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-4j7f-pc38-35rv.

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