⬆️ Update dependency aiohttp to v3.9.0 [SECURITY] #540
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This PR contains the following updates:
3.8.6->3.9.0GitHub Vulnerability Alerts
CVE-2023-49082
Summary
Improper validation makes it possible for an attacker to modify the HTTP request (e.g. insert a new header) or even create a new HTTP request if the attacker controls the HTTP method.
Details
The vulnerability occurs only if the attacker can control the HTTP method (GET, POST etc.) of the request.
Previous releases performed no validation on the provided value. If an attacker controls the HTTP method it will be used as is and can lead to HTTP request smuggling.
PoC
A minimal example can be found here:
https://gist.github.com/jnovikov/7f411ae9fe6a9a7804cf162a3bdbb44b
Impact
If the attacker can control the HTTP version of the request it will be able to modify the request (request smuggling).
Workaround
If unable to upgrade and using user-provided values for the request method, perform manual validation of the user value (e.g. by restricting it to a few known values like GET, POST etc.).
CVE-2023-49081
Summary
Improper validation make it possible for an attacker to modify the HTTP request (e.g. to insert a new header) or even create a new HTTP request if the attacker controls the HTTP version.
Details
The vulnerability only occurs if the attacker can control the HTTP version of the request (including its type).
For example if an unvalidated JSON value is used as a version and the attacker is then able to pass an array as the
versionparameter.Furthermore, the vulnerability only occurs when the
Connectionheader is passed to theheadersparameter.At this point, the library will use the parsed value to create the request. If a list is passed, then it bypasses validation and it is possible to perform CRLF injection.
PoC
The POC below shows an example of providing an unvalidated array as a version:
https://gist.github.com/jnovikov/184afb593d9c2114d77f508e0ccd508e
Impact
CRLF injection leading to Request Smuggling.
Workaround
If these specific conditions are met and you are unable to upgrade, then validate the user input to the
versionparameter to ensure it is astr.Release Notes
aio-libs/aiohttp (aiohttp)
v3.9.0Compare Source
==================
Features
Introduced
AppKeyfor static typing support ofApplicationstorage.See https://docs.aiohttp.org/en/stable/web_advanced.html#application-s-config
#​5864 <https://github.com/aio-libs/aiohttp/issues/5864>_Added a graceful shutdown period which allows pending tasks to complete before the application's cleanup is called.
The period can be adjusted with the
shutdown_timeoutparameter. -- by :user:Dreamsorcerer.See https://docs.aiohttp.org/en/latest/web_advanced.html#graceful-shutdown
#​7188 <https://github.com/aio-libs/aiohttp/issues/7188>_Added
handler_cancellation <https://docs.aiohttp.org/en/stable/web_advanced.html#web-handler-cancellation>_ parameter to cancel web handler on client disconnection. -- by :user:mosquitoThis (optionally) reintroduces a feature removed in a previous release.
Recommended for those looking for an extra level of protection against denial-of-service attacks.
#​7056 <https://github.com/aio-libs/aiohttp/issues/7056>_Added support for setting response header parameters
max_line_sizeandmax_field_size.#​2304 <https://github.com/aio-libs/aiohttp/issues/2304>_Added
auto_decompressparameter toClientSession.requestto overrideClientSession._auto_decompress. -- by :user:Daste745#​3751 <https://github.com/aio-libs/aiohttp/issues/3751>_Changed
raise_for_statusto allow a coroutine.#​3892 <https://github.com/aio-libs/aiohttp/issues/3892>_Added client brotli compression support (optional with runtime check).
#​5219 <https://github.com/aio-libs/aiohttp/issues/5219>_Added
client_max_sizetoBaseRequest.clone()to allow overriding the request body size. -- :user:anesabml.#​5704 <https://github.com/aio-libs/aiohttp/issues/5704>_Added a middleware type alias
aiohttp.typedefs.Middleware.#​5898 <https://github.com/aio-libs/aiohttp/issues/5898>_Exported
HTTPMovewhich can be used to catch any redirection requestthat has a location -- :user:
dreamsorcerer.#​6594 <https://github.com/aio-libs/aiohttp/issues/6594>_Changed the
pathparameter inweb.run_app()to accept apathlib.Pathobject.#​6839 <https://github.com/aio-libs/aiohttp/issues/6839>_Performance: Skipped filtering
CookieJarwhen the jar is empty or all cookies have expired.#​7819 <https://github.com/aio-libs/aiohttp/issues/7819>_Performance: Only check origin if insecure scheme and there are origins to treat as secure, in
CookieJar.filter_cookies().#​7821 <https://github.com/aio-libs/aiohttp/issues/7821>_Performance: Used timestamp instead of
datetimeto achieve faster cookie expiration inCookieJar.#​7824 <https://github.com/aio-libs/aiohttp/issues/7824>_Added support for passing a custom server name parameter to HTTPS connection.
#​7114 <https://github.com/aio-libs/aiohttp/issues/7114>_Added support for using Basic Auth credentials from :file:
.netrcfile when making HTTP requests with the:py:class:
~aiohttp.ClientSessiontrust_envargument is set toTrue. -- by :user:yuvipanda.#​7131 <https://github.com/aio-libs/aiohttp/issues/7131>_Turned access log into no-op when the logger is disabled.
#​7240 <https://github.com/aio-libs/aiohttp/issues/7240>_Added typing information to
RawResponseMessage. -- by :user:Gobot1234#​7365 <https://github.com/aio-libs/aiohttp/issues/7365>_Removed
async-timeoutfor Python 3.11+ (replaced withasyncio.timeout()on newer releases).#​7502 <https://github.com/aio-libs/aiohttp/issues/7502>_Added support for
brotlicffias an alternative tobrotli(fixing Brotli support on PyPy).#​7611 <https://github.com/aio-libs/aiohttp/issues/7611>_Added
WebSocketResponse.get_extra_info()to access a protocol transport's extra info.#​7078 <https://github.com/aio-libs/aiohttp/issues/7078>_Allow
linkargument to be set to None/empty in HTTP 451 exception.#​7689 <https://github.com/aio-libs/aiohttp/issues/7689>_Bugfixes
Implemented stripping the trailing dots from fully-qualified domain names in
Hostheaders and TLS context when acting as an HTTP client.This allows the client to connect to URLs with FQDN host name like
https://example.com./.-- by :user:
martin-sucha.#​3636 <https://github.com/aio-libs/aiohttp/issues/3636>_Fixed client timeout not working when incoming data is always available without waiting. -- by :user:
Dreamsorcerer.#​5854 <https://github.com/aio-libs/aiohttp/issues/5854>_Fixed
readuntilto work with a delimiter of more than one character.#​6701 <https://github.com/aio-libs/aiohttp/issues/6701>_Added
__repr__toEmptyStreamReaderto avoidAttributeError.#​6916 <https://github.com/aio-libs/aiohttp/issues/6916>_Fixed bug when using
TCPConnectorwithttl_dns_cache=0.#​7014 <https://github.com/aio-libs/aiohttp/issues/7014>_Fixed response returned from expect handler being thrown away. -- by :user:
Dreamsorcerer#​7025 <https://github.com/aio-libs/aiohttp/issues/7025>_Avoided raising
UnicodeDecodeErrorin multipart and in HTTP headers parsing.#​7044 <https://github.com/aio-libs/aiohttp/issues/7044>_Changed
sock_readtimeout to start after writing has finished, avoiding read timeouts caused by an unfinished write. -- by :user:dtrifiro#​7149 <https://github.com/aio-libs/aiohttp/issues/7149>_Fixed missing query in tracing method URLs when using
yarl1.9+.#​7259 <https://github.com/aio-libs/aiohttp/issues/7259>_Changed max 32-bit timestamp to an aware datetime object, for consistency with the non-32-bit one, and to avoid a
DeprecationWarningon Python 3.12.#​7302 <https://github.com/aio-libs/aiohttp/issues/7302>_Fixed
EmptyStreamReader.iter_chunks()never ending. -- by :user:mind1m#​7616 <https://github.com/aio-libs/aiohttp/issues/7616>_Fixed a rare
RuntimeError: await wasn't used with futureexception. -- by :user:stalkerg#​7785 <https://github.com/aio-libs/aiohttp/issues/7785>_Fixed issue with insufficient HTTP method and version validation.
#​7700 <https://github.com/aio-libs/aiohttp/issues/7700>_Added check to validate that absolute URIs have schemes.
#​7712 <https://github.com/aio-libs/aiohttp/issues/7712>_Fixed unhandled exception when Python HTTP parser encounters unpaired Unicode surrogates.
#​7715 <https://github.com/aio-libs/aiohttp/issues/7715>_Updated parser to disallow invalid characters in header field names and stop accepting LF as a request line separator.
#​7719 <https://github.com/aio-libs/aiohttp/issues/7719>_Fixed Python HTTP parser not treating 204/304/1xx as an empty body.
#​7755 <https://github.com/aio-libs/aiohttp/issues/7755>_Ensure empty body response for 1xx/204/304 per RFC 9112 sec 6.3.
#​7756 <https://github.com/aio-libs/aiohttp/issues/7756>_Fixed an issue when a client request is closed before completing a chunked payload. -- by :user:
Dreamsorcerer#​7764 <https://github.com/aio-libs/aiohttp/issues/7764>_Edge Case Handling for ResponseParser for missing reason value.
#​7776 <https://github.com/aio-libs/aiohttp/issues/7776>_Fixed
ClientWebSocketResponse.close_codebeing erroneously set toNonewhen there are concurrent async tasks receiving data and closing the connection.#​7306 <https://github.com/aio-libs/aiohttp/issues/7306>_Added HTTP method validation.
#​6533 <https://github.com/aio-libs/aiohttp/issues/6533>_Fixed arbitrary sequence types being allowed to inject values via version parameter. -- by :user:
Dreamsorcerer#​7835 <https://github.com/aio-libs/aiohttp/issues/7835>_Performance: Fixed increase in latency with small messages from websocket compression changes.
#​7797 <https://github.com/aio-libs/aiohttp/issues/7797>_Improved Documentation
Fixed the
ClientResponse.release's type in the doc. Changed fromcomethodtomethod.#​5836 <https://github.com/aio-libs/aiohttp/issues/5836>_Added information on behavior of base_url parameter in
ClientSession.#​6647 <https://github.com/aio-libs/aiohttp/issues/6647>_Fixed
ClientResponseErrordocs.#​6700 <https://github.com/aio-libs/aiohttp/issues/6700>_Updated Redis code examples to follow the latest API.
#​6907 <https://github.com/aio-libs/aiohttp/issues/6907>_Added a note about possibly needing to update headers when using
on_response_prepare. -- by :user:Dreamsorcerer#​7283 <https://github.com/aio-libs/aiohttp/issues/7283>_Completed
trust_envparameter description to honorwss_proxy,ws_proxyorno_proxyenv.#​7325 <https://github.com/aio-libs/aiohttp/issues/7325>_Expanded SSL documentation with more examples (e.g. how to use certifi). -- by :user:
Dreamsorcerer#​7334 <https://github.com/aio-libs/aiohttp/issues/7334>_Fix, update, and improve client exceptions documentation.
#​7733 <https://github.com/aio-libs/aiohttp/issues/7733>_Deprecations and Removals
Added
shutdown_timeoutparameter toBaseRunner, whiledeprecating
shutdown_timeoutparameter fromBaseSite. -- by :user:Dreamsorcerer#​7718 <https://github.com/aio-libs/aiohttp/issues/7718>_Dropped Python 3.6 support.
#​6378 <https://github.com/aio-libs/aiohttp/issues/6378>_Dropped Python 3.7 support. -- by :user:
Dreamsorcerer#​7336 <https://github.com/aio-libs/aiohttp/issues/7336>_Removed support for abandoned
tokioevent loop. -- by :user:Dreamsorcerer#​7281 <https://github.com/aio-libs/aiohttp/issues/7281>_Misc
Made
printargument inrun_app()optional.#​3690 <https://github.com/aio-libs/aiohttp/issues/3690>_Improved performance of
ceil_timeoutin some cases.#​6316 <https://github.com/aio-libs/aiohttp/issues/6316>_Changed importing Gunicorn to happen on-demand, decreasing import time by ~53%. -- :user:
Dreamsorcerer#​6591 <https://github.com/aio-libs/aiohttp/issues/6591>_Improved import time by replacing
http.serverwithhttp.HTTPStatus.#​6903 <https://github.com/aio-libs/aiohttp/issues/6903>_Fixed annotation of
sslparameter to disallowTrue. -- by :user:Dreamsorcerer.#​7335 <https://github.com/aio-libs/aiohttp/issues/7335>_Configuration
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