Signature Detail
Short Name |
HTTP:STC:IMG:NOT-PNG |
|---|---|
Severity |
Info |
Recommended |
No |
Category |
HTTP |
Keywords |
NOT PNG |
Release Date |
2005/11/07 |
Update Number |
1213 |
Supported Platforms |
idp-4.0+, isg-3.4+, j-series-9.5+, mx-9.4+, srx-9.2+, srx-branch-9.4+, vsrx-12.1+ |
HTTP: Not PNG
The anomaly triggers if the content date is not compliant with the PNG specification. If the Content-Type field is set to "image/png", the first eight bytes of a PNG data stream always contain the following (hexadecimal) values: 89 50 4e 47 0d 0a 1a oa. Triggering this incident can indicate malicious behavior aimed at your system.
Extended Description
None
References