VNC: Authorization Challenge Overflow

This protocol anomaly is a VNC authorization challenge message that is too long. The VNC protocol specifies 16 as the maximum for authorization challenge messages.

Extended Description

Unusual VNC messages, such as an overly long "Authentication Challenge" message, may indicate an attack attempt, or that a VNC program is misconfigured.

Short Name
VNC:OVERFLOW:AUTH-CHALLENGE
Severity
Major
Recommended
False
Recommended Action
None
Category
VNC
Release Date
04/22/2003
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3324
False Positive
Unknown

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