Multiple unauthenticated denial-of-service (DoS) issues in fohrloop dash-uploader v0.1.0 through v0.7.0a2. The chunked-upload handler (dash_uploader/httprequesthandler.py, dash_uploader/upload.py) trusts unsanitized, attacker-controlled upload parameters (e.g. flowTotalChunks) and does not enforce the documented max_file_size limit, allowing a remote, unauthenticated attacker to cause an out-of-memory (OOM) process crash (unbounded range(1, flowTotalChunks + 1) allocation), truncation of the target file to zero bytes (flowTotalChunks=0, where the all([]) == True quirk runs the file-assembly branch on zero chunks), permanent disk exhaustion (never-cleaned-up temporary directories per flowIdentifier), and a complete bypass of the documented max_file_size limit.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0.1.0, <= 0.6.1CPE matchmatch criteria | cpe:2.3:a:fohrloop:dash-uploader:*:*:*:*:*:python:*:* | ||
0.7.0CPE matchmatch criteria | cpe:2.3:a:fohrloop:dash-uploader:0.7.0:alpha1:*:*:*:python:*:* | ||
0.7.0CPE matchmatch criteria | cpe:2.3:a:fohrloop:dash-uploader:0.7.0:alpha2:*:*:*:python:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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