rtfobj: detect CVE-2025-21298#887
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Add is_cve_2025_21298_indicator() and warn in process_file when an embedded StaticDib object has non-DIB stub data matching the public PoC (issue decalage2#883). Includes unit tests and the PoC RTF sample.
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Hello, thanks a lot for this contribution! |
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Checked on VirusTotal: 28/75 engines flag it, all specifically for CVE-2025-21298 (Kaspersky, Microsoft, BitDefender, Avast, TrendMicro, etc.). So yes, it will trip AV. Fix options:
Happy to rework the test file approach whichever way you prefer. |
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Fixes #883
Detects malformed embedded StaticDib OLE objects in RTF files matching the public CVE-2025-21298 PoC.
Test plan: