CVE-1999-0994 Weak cryptography in n/a

Medium 5.0 Published Updated

An attacker with high privileges can crack SAM password hashes due to SYSKEY keystream reuse in Windows NT.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-1999-0994?

CVE-1999-0994 is a medium-severity vulnerability in Microsoft Windows Nt, published on 18 Jan 2000. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Windows NT with SYSKEY reuses the keystream that is used for encrypting SAM password hashes, allowing an attacker to crack passwords.

Weakness: CWE-255

Which versions are affected by CVE-1999-0994?

It affects 1 product.

Products include Microsoft Windows Nt.

How do I fix CVE-1999-0994?

No fix has been published for CVE-1999-0994 yet. Limit exposure of the affected software until one is available.

Is CVE-1999-0994 being exploited?

There is no known exploitation of CVE-1999-0994 in the wild and no public exploit code.

All Microsoft Windows Nt vulnerabilities

Sources

Also known as GHSA-r7rj-gr4g-8x94.

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