CVE-2004-0221 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can crash OpenBSD's isakmpd service by sending a crafted ISAKMP packet with excessive SPIs, causing a denial of service.

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-2004-0221?

CVE-2004-0221 is a medium-severity denial of service vulnerability in Openbsd Openbsd, published on 25 Mar 2004. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service (crash) via an ISAKMP packet with a delete payload containing a large number of SPIs, which triggers an out-of-bounds read error, as demonstrated by the Striker ISAKMP Protocol Test Suite.

Weakness: CWE-125

Which versions are affected by CVE-2004-0221?

It affects 1 product.

Products include Openbsd Openbsd.

How do I fix CVE-2004-0221?

No fix has been published for CVE-2004-0221 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-2004-0221 being exploited?

There is no known exploitation of CVE-2004-0221 in the wild and no public exploit code.

All Openbsd Openbsd vulnerabilities

Sources

Also known as GHSA-w82g-fr7x-r9m9.

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