CVE-1999-1164: Medium severity Microsoft Outlook Express vulnerability

Published Jun 25, 1999
·
Updated

Microsoft Outlook client allows remote attackers to cause a denial of service by sending multiple email messages with the same X-UIDL headers, which causes Outlook to hang.

Affected Software

4 affected components
Microsoft Outlook Express
Microsoft Outlook=2000
Microsoft Outlook=98
Microsoft Outlook=97

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Compensating control

    At the mail gateway/POP3/IMAP server or mail proxy, detect and drop or reject incoming messages that contain multiple identical X-UIDL headers so such messages never reach Microsoft Outlook or Outlook Express and cannot cause the client to hang.

Event History

Jun 25, 1999
CVE Published
04:00 AM
Data Sourced
via NVD·04:00 AM
DescriptionSeverityAffected Software
Sep 12, 2001
CVE Published
via MITRE·08:00 AM
Data Sourced
via MITRE·08:00 AM
Description

Frequently Asked Questions

1

What is the severity of CVE-1999-1164?

CVE-1999-1164 is classified as a denial of service vulnerability.

2

How does CVE-1999-1164 affect Microsoft Outlook clients?

CVE-1999-1164 allows remote attackers to hang Microsoft Outlook clients by sending multiple email messages with the same X-UIDL headers.

3

Which versions of Microsoft Outlook are affected by CVE-1999-1164?

CVE-1999-1164 affects Microsoft Outlook 97, 98, and 2000, as well as Microsoft Outlook Express.

4

How can I mitigate the impact of CVE-1999-1164?

To mitigate CVE-1999-1164, consider limiting the number of email messages accepted from remote senders.

5

Is there a patch available for CVE-1999-1164?

There is no specific patch for CVE-1999-1164; it is recommended to upgrade to a later version of Microsoft Outlook.

Contact

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