CVE-1999-1291 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can disrupt network connections by spoofing TCP reset packets using sequence numbers obtained from PSH ACK responses.

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-1999-1291?

CVE-1999-1291 is a medium-severity denial of service vulnerability in Microsoft Windows Nt, published on 12 Sep 2001. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

TCP/IP implementation in Microsoft Windows 95, Windows NT 4.0, and possibly others, allows remote attackers to reset connections by forcing a reset (RST) via a PSH ACK or other means, obtaining the target's last sequence number from the resulting packet, then spoofing a reset to the target.

Which versions are affected by CVE-1999-1291?

It affects 2 products.

Products include Microsoft Windows 95, Microsoft Windows Nt.

How do I fix CVE-1999-1291?

No fix has been published for CVE-1999-1291 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-1999-1291 being exploited?

There is no known exploitation of CVE-1999-1291 in the wild and no public exploit code.

All Microsoft Windows Nt vulnerabilities

Sources

Also known as GHSA-6j2v-9wjh-8j7w.

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