VNC: Set Encodings Overflow

This protocol anomaly is a VNC message with an encoding type buffer that exceeds the length specified in the SetEncodings VNC client message.

Extended Description

RFB datagrams containing encoding-type values greater than 16 constitute a protocol anomaly. This condition could indicate a network configuration error. It could also indicate an attacker is attempting to cause a buffer overflow by injecting malformed packets into the network.

Short Name
VNC:OVERFLOW:SET-ENCODINGS
Severity
Critical
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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