Description
Allocation of Resources Without Limits or Throttling vulnerability in gleam-wisp wisp allows a denial of service via multipart form body parsing. The multipart_body function bypasses configured max_body_size and max_files_size limits. When a multipart boundary is not present in a chunk, the parser takes the MoreRequiredForBody path, which appends the chunk to the output but passes the quota unchanged to the recursive call. Only the final chunk containing the boundary is counted via decrement_quota. The same pattern exists in multipart_headers, where MoreRequiredForHeaders recurses without calling decrement_body_quota. An unauthenticated attacker can exhaust server memory or disk by sending arbitrarily large multipart form submissions in a single HTTP request. This issue affects wisp: from 0.2.0 before 2.2.2.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
gleam-wisp wisp
Default version status: unaffected
0.2.0 to < 2.2.2affected
pkg:hex/wispgleam-wisp wisp
Default version status: unaffected
d8e722e22ccb42bda9d0b6248658d37ab4e9b376 to < 7a978748e12ab29db232c222254465890e1a4a90affected
pkg:github/gleam-wisp/wisp