CVE-1999-0770 Denial of service in n/a

Low 2.1 Published Updated

An attacker can cause a denial of service against Firewall-1 by sending numerous connection attempts to unresponsive systems, exploiting long timeouts for non-SYN packets.

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-1999-0770?

CVE-1999-0770 is a low-severity denial of service vulnerability in n/a, published on 18 Jan 2000. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Firewall-1 sets a long timeout for connections that begin with ACK or other packets except SYN, allowing an attacker to conduct a denial of service via a large number of connection attempts to unresponsive systems.

Which versions are affected by CVE-1999-0770?

It affects 1 product.

Products include Checkpoint Firewall-1.

How do I fix CVE-1999-0770?

No fix has been published for CVE-1999-0770 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-1999-0770 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-1999-0770 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-cmfr-w36g-hm8h.

Is CVE-1999-0770 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free