CVE-2024-42353
Description
WebOb provides objects for HTTP requests and responses. When WebOb normalizes the HTTP Location header to include the request hostname, it does so by parsing the URL that the user is to be redirected to with Python's urlparse, and joining it to the base URL. `urlparse` however treats a `//` at the start of a string as a URI without a scheme, and then treats the next part as the hostname. `urljoin` will then use that hostname from the second part as the hostname replacing the original one from the request. This vulnerability is patched in WebOb version 1.8.8.
How to fix
- pylonsproject webob1.8.8 or later
- webob1.8.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| pylonsproject webob | v < 1.8.8 | 1.8.8 |
| webobPyPI | v < 1.8.8 | 1.8.8 |
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