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THREATINT
PUBLISHED

CVE-2022-23607

Unsafe handling of user-specified cookies in treq



Description

treq is an HTTP library inspired by requests but written on top of Twisted's Agents. Treq's request methods (`treq.get`, `treq.post`, etc.) and `treq.client.HTTPClient` constructor accept cookies as a dictionary. Such cookies are not bound to a single domain, and are therefore sent to *every* domain ("supercookies"). This can potentially cause sensitive information to leak upon an HTTP redirect to a different domain., e.g. should `https://example.com` redirect to `http://cloudstorageprovider.com` the latter will receive the cookie `session`. Treq 2021.1.0 and later bind cookies given to request methods (`treq.request`, `treq.get`, `HTTPClient.request`, `HTTPClient.get`, etc.) to the origin of the *url* parameter. Users are advised to upgrade. For users unable to upgrade Instead of passing a dictionary as the *cookies* argument, pass a `http.cookiejar.CookieJar` instance with properly domain- and scheme-scoped cookies in it.

Reserved 2022-01-19 | Published 2022-02-01 | Updated 2024-08-03 | Assigner GitHub_M


MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Problem types

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Product status

< 22.1.0
affected

References

github.com/...d/treq/security/advisories/GHSA-fhpf-pp6p-55qc

lists.debian.org/debian-lts-announce/2022/03/msg00025.html ([debian-lts-announce] 20220318 [SECURITY] [DLA 2954-1] python-treq security update) mailing-list

cve.org (CVE-2022-23607)

nvd.nist.gov (CVE-2022-23607)

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