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Security Intelligence Center
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Short Name

HTTP:STC:IMG:PNG_CHUNK_OVERFLOW

Severity

Medium

Recommended

No

Category

HTTP

Keywords

PNG CHUNK OVERFLOW

Release Date

2005/11/07

Update Number

1213

Supported Platforms


HTTP: PNG-Chunk Overflow


This anomaly triggers if it detects PNG IHDR-chunk length value exceeding the length of all the PNG data. Triggering this incident can indicate malicious behavior aimed at your system.

Extended Description

None

References

  • URL: http://www.libpng.org/pub/png/spec/iso/index-object.html

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