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| author | Mariusz Felisiak <felisiak.mariusz@gmail.com> | 2022-01-21 07:50:03 +0100 |
|---|---|---|
| committer | Mariusz Felisiak <felisiak.mariusz@gmail.com> | 2022-02-01 07:54:17 +0100 |
| commit | d16133568ef9c9b42cb7a08bdf9ff3feec2e5468 (patch) | |
| tree | c2ac52bb398b8f63d617155103ddd19413d2ec18 /django/http/multipartparser.py | |
| parent | 1a1e8278c46418bde24c86a65443b0674bae65e2 (diff) | |
[3.2.x] Fixed CVE-2022-23833 -- Fixed DoS possiblity in file uploads.
Thanks Alan Ryan for the report and initial patch.
Backport of fc18f36c4ab94399366ca2f2007b3692559a6f23 from main.
Diffstat (limited to 'django/http/multipartparser.py')
| -rw-r--r-- | django/http/multipartparser.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/django/http/multipartparser.py b/django/http/multipartparser.py index f464caa1b4..35a54f4ca1 100644 --- a/django/http/multipartparser.py +++ b/django/http/multipartparser.py @@ -248,6 +248,8 @@ class MultiPartParser: remaining = len(stripped_chunk) % 4 while remaining != 0: over_chunk = field_stream.read(4 - remaining) + if not over_chunk: + break stripped_chunk += b"".join(over_chunk.split()) remaining = len(stripped_chunk) % 4 |