CVE-2002-1831: Medium severity Microsoft MSN Messenger vulnerability

Published Dec 31, 2002
·
Updated

Microsoft MSN Messenger Service 1.0 through 4.6 allows remote attackers to cause a denial of service (crash) via an invite request that contains hex-encoded spaces (%20) in the Invitation-Cookie field.

Affected Software

8 affected components
Microsoft MSN Messenger=4.6
Microsoft MSN Messenger=2.2
Microsoft MSN Messenger=2.0
Microsoft MSN Messenger=1.0
Microsoft MSN Messenger=3.6
Microsoft MSN Messenger=4.0
Microsoft MSN Messenger=4.5
Microsoft MSN Messenger=3.0

Event History

Dec 31, 2002
CVE Published
05:00 AM
Data Sourced
via NVD·05:00 AM
DescriptionSeverityAffected Software
Jun 28, 2005
CVE Published
via MITRE·04:00 AM
Data Sourced
via MITRE·04:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2002-1831?

CVE-2002-1831 has a medium severity level as it allows remote attackers to cause denial of service.

2

How do I fix CVE-2002-1831?

To fix CVE-2002-1831, users should upgrade to a version of Microsoft MSN Messenger that is not affected by this vulnerability.

3

Which versions of Microsoft MSN Messenger are affected by CVE-2002-1831?

Versions 1.0 through 4.6 of Microsoft MSN Messenger are affected by CVE-2002-1831.

4

What kind of attack does CVE-2002-1831 enable?

CVE-2002-1831 enables remote denial of service attacks by sending specially crafted invite requests.

5

Is there a workaround for CVE-2002-1831 if I can’t update?

A potential workaround for CVE-2002-1831 is to restrict incoming connections to the MSN Messenger service.

Contact

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