CVE Catalog

CVE-2005-4266

High
Published: Translated: NVD NIST

Summary

The vulnerability in Alt-N MDaemon and WorldClient 8.1.3 is that the WorldClient.dll component trusts a Session parameter containing a randomly generated session ID associated with a username. A remote attacker can impersonate another user by guessing or sniffing this random value.

Risk Assessment

The risk for the organization includes unauthorized access to user accounts and the ability to perform actions on their behalf, potentially leading to data confidentiality and integrity breaches.

Recommendation

It is recommended to immediately update Alt-N MDaemon and WorldClient to a version without this vulnerability and implement anti-sniffing mechanisms such as TLS encryption.

Related vulnerabilities

Original NVD description (English source)

WorldClient.dll in Alt-N MDaemon and WorldClient 8.1.3 trusts a Session parameter that contains a randomly generated session ID that is associated with a username, which allows remote attackers to perform actions as other users by guessing or sniffing the random value.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS