Rule:

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Sid:
2072

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Summary:
This event is generated when an attempt is made to exploit a known vulnerability in Lyris List Manager.

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Impact:
Unauthorized escalation of user privileges.

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Detailed Information:
Lyris List Manager is a web based mailing list management interface. It is possible for an attacker to gain administrator privileges for mailing lists by modifying variables sent to the lyris.pl script.

The variable list_admin is used to identify the user as an administrator, by changing this value from F to T the attacker can identify himself as the mailing list administrator.

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Affected Systems:
Lyris List Manager 3.0
Lyris List Manager 4.0

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Attack Scenarios:
The attacker can save a copy of the HTML interface locally and modify the value of the list_admin variable, then submit the form directly to lyris.pl.

Alternatively the attacker can choose to submit the data in a URI.

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Ease of Attack:
Simple

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False Positives:
None Known

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False Negatives:
None Known

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Corrective Action:
Apply the appropriate patches from the vendor.

Upgrade to the latest version of the software.

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Contributors:
Sourcefire Vulnerability Research Team
Brian Caswell <bmc@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com>

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Additional References:

CVE:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2000-0758

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