CWE
255
Advisory Published
CVE Published
Updated

CVE-1999-0994

First published: Thu Dec 16 1999(Updated: )

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

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Microsoft Windows NT=4.0
Microsoft Windows NT=4.0
Microsoft Windows NT=4.0-sp1
Microsoft Windows NT=4.0
=4.0
=4.0
=4.0
=4.0-sp1

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Frequently Asked Questions

  • What is the severity of CVE-1999-0994?

    CVE-1999-0994 is considered to be of high severity due to the potential for password cracking.

  • How do I fix CVE-1999-0994?

    To fix CVE-1999-0994, upgrade to a later version of Windows that does not utilize SYSKEY in this manner.

  • What versions of Windows NT are affected by CVE-1999-0994?

    CVE-1999-0994 affects Windows NT 4.0 and its service packs.

  • What exploitation methods are possible with CVE-1999-0994?

    An attacker can exploit CVE-1999-0994 by guessing or cracking weak passwords due to the reused keystream.

  • Is there a workaround for CVE-1999-0994 if upgrading is not possible?

    A possible workaround for CVE-1999-0994 is to enforce strong password policies to mitigate the risk of password cracking.

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