Signature Detail
Short Name |
VNC:OVERFLOW:AUTH-CHALLENGE |
|---|---|
Severity |
High |
Recommended |
No |
Category |
VNC |
Release Date |
2003/04/22 |
Update Number |
1213 |
Supported Platforms |
idp-4.0+, isg-3.0+, j-series-9.5+, mx-9.4+, srx-9.2+, srx-branch-9.4+, vsrx-12.1+ |
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.
References