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[Security] Bump urllib3 from 1.25.7 to 1.26.4

Open dependabot-preview[bot] opened this issue 4 years ago • 1 comments

Bumps urllib3 from 1.25.7 to 1.26.4.

Release notes

Sourced from urllib3's releases.

1.26.4

:warning: IMPORTANT: urllib3 v2.0 will drop support for Python 2: Read more in the v2.0 Roadmap

  • Changed behavior of the default SSLContext when connecting to HTTPS proxy during HTTPS requests. The default SSLContext now sets check_hostname=True.

If you or your organization rely on urllib3 consider supporting us via GitHub Sponsors

1.26.3

:warning: IMPORTANT: urllib3 v2.0 will drop support for Python 2: Read more in the v2.0 Roadmap

  • Fixed bytes and string comparison issue with headers (Pull #2141)

  • Changed ProxySchemeUnknown error message to be more actionable if the user supplies a proxy URL without a scheme (Pull #2107)

If you or your organization rely on urllib3 consider supporting us via GitHub Sponsors

1.26.2

:warning: IMPORTANT: urllib3 v2.0 will drop support for Python 2: Read more in the v2.0 Roadmap

  • Fixed an issue where wrap_socket and CERT_REQUIRED wouldn't be imported properly on Python 2.7.8 and earlier (Pull #2052)

1.26.1

:warning: IMPORTANT: urllib3 v2.0 will drop support for Python 2: Read more in the v2.0 Roadmap

  • Fixed an issue where two User-Agent headers would be sent if a User-Agent header key is passed as bytes (Pull #2047)

1.26.0

:warning: IMPORTANT: urllib3 v2.0 will drop support for Python 2: Read more in the v2.0 Roadmap

  • Added support for HTTPS proxies contacting HTTPS servers (Pull #1923, Pull #1806)

  • Deprecated negotiating TLSv1 and TLSv1.1 by default. Users that still wish to use TLS earlier than 1.2 without a deprecation warning should opt-in explicitly by setting ssl_version=ssl.PROTOCOL_TLSv1_1 (Pull #2002) Starting in urllib3 v2.0: Connections that receive a DeprecationWarning will fail

  • Deprecated Retry options Retry.DEFAULT_METHOD_WHITELIST, Retry.DEFAULT_REDIRECT_HEADERS_BLACKLIST and Retry(method_whitelist=...) in favor of Retry.DEFAULT_ALLOWED_METHODS, Retry.DEFAULT_REMOVE_HEADERS_ON_REDIRECT, and Retry(allowed_methods=...) (Pull #2000) Starting in urllib3 v2.0: Deprecated options will be removed

  • Added default User-Agent header to every request (Pull #1750)

  • Added urllib3.util.SKIP_HEADER for skipping User-Agent, Accept-Encoding, and Host headers from being automatically emitted with requests (Pull #2018)

  • Collapse transfer-encoding: chunked request data and framing into the same socket.send() call (Pull #1906)

  • Send http/1.1 ALPN identifier with every TLS handshake by default (Pull #1894)

... (truncated)

Changelog

Sourced from urllib3's changelog.

1.26.4 (2021-03-15)

  • Changed behavior of the default SSLContext when connecting to HTTPS proxy during HTTPS requests. The default SSLContext now sets check_hostname=True.

1.26.3 (2021-01-26)

  • Fixed bytes and string comparison issue with headers (Pull #2141)
  • Changed ProxySchemeUnknown error message to be more actionable if the user supplies a proxy URL without a scheme. (Pull #2107)

1.26.2 (2020-11-12)

  • Fixed an issue where wrap_socket and CERT_REQUIRED wouldn't be imported properly on Python 2.7.8 and earlier (Pull #2052)

1.26.1 (2020-11-11)

  • Fixed an issue where two User-Agent headers would be sent if a User-Agent header key is passed as bytes (Pull #2047)

1.26.0 (2020-11-10)

  • NOTE: urllib3 v2.0 will drop support for Python 2. Read more in the v2.0 Roadmap.
  • Added support for HTTPS proxies contacting HTTPS servers (Pull #1923, Pull #1806)
  • Deprecated negotiating TLSv1 and TLSv1.1 by default. Users that still wish to use TLS earlier than 1.2 without a deprecation warning should opt-in explicitly by setting ssl_version=ssl.PROTOCOL_TLSv1_1 (Pull #2002) Starting in urllib3 v2.0: Connections that receive a DeprecationWarning will fail
  • Deprecated Retry options Retry.DEFAULT_METHOD_WHITELIST, Retry.DEFAULT_REDIRECT_HEADERS_BLACKLIST and Retry(method_whitelist=...) in favor of Retry.DEFAULT_ALLOWED_METHODS, Retry.DEFAULT_REMOVE_HEADERS_ON_REDIRECT, and Retry(allowed_methods=...) (Pull #2000) Starting in urllib3 v2.0: Deprecated options will be removed
  • Added default User-Agent header to every request (Pull #1750)
  • Added urllib3.util.SKIP_HEADER for skipping User-Agent, Accept-Encoding, and Host headers from being automatically emitted with requests (Pull #2018)
  • Collapse transfer-encoding: chunked request data and framing into the same socket.send() call (Pull #1906)
  • Send http/1.1 ALPN identifier with every TLS handshake by default (Pull #1894)
  • Properly terminate SecureTransport connections when CA verification fails (Pull #1977)
  • Don't emit an SNIMissingWarning when passing server_hostname=None to SecureTransport (Pull #1903)
  • Disabled requesting TLSv1.2 session tickets as they weren't being used by urllib3 (Pull #1970)
  • Suppress BrokenPipeError when writing request body after the server has closed the socket (Pull #1524)
  • Wrap ssl.SSLError that can be raised from reading a socket (e.g. "bad MAC") into an urllib3.exceptions.SSLError (Pull #1939)

1.25.11 (2020-10-19)

  • Fix retry backoff time parsed from Retry-After header when given in the HTTP date format. The HTTP date was parsed as the local timezone rather than accounting for the timezone in the HTTP date (typically UTC) (Pull #1932, Pull #1935, Pull #1938, Pull #1949)
  • Fix issue where an error would be raised when the SSLKEYLOGFILE environment variable was set to the empty string. Now SSLContext.keylog_file is not set in this situation (Pull #2016)

1.25.10 (2020-07-22)

  • Added support for SSLKEYLOGFILE environment variable for logging TLS session keys with use with programs like Wireshark for decrypting captured web traffic (Pull #1867)
  • Fixed loading of SecureTransport libraries on macOS Big Sur due to the new dynamic linker cache (Pull #1905)
  • Collapse chunked request bodies data and framing into one call to send() to reduce the number of TCP packets by 2-4x (Pull #1906)

... (truncated)

Commits
  • a891304 Release 1.26.4
  • 8d65ea1 Merge pull request from GHSA-5phf-pp7p-vc2r
  • 5e34326 Add proper stacklevel to method_allowlist warning
  • 361f1e2 Release 1.26.3
  • 3179dfd Allow using deprecated OpenSSL with CRYPTOGRAPHY_ALLOW_OPENSSL_102
  • d97e5d4 Use Python 3.5 compatible get-pip
  • cb5e2fc [1.26] Don't compare bytes and str in putheader()
  • b89158f [1.26] Update RECENT_DATE to 2020-07-01
  • a800c74 [1.26] Recommend GitHub Sponsors instead of Open Collective
  • 947284e [1.26] Improve message for ProxySchemeUnknown exception
  • Additional commits viewable in compare view

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dependabot-preview[bot] avatar Mar 16 '21 05:03 dependabot-preview[bot]

We've just been alerted that this update fixes a security vulnerability:

Sourced from The GitHub Security Advisory Database.

Uncontrolled Resource Consumption in urllib3

The _encode_invalid_chars function in util/url.py in the urllib3 library 1.25.2 through 1.25.7 for Python allows a denial of service (CPU consumption) because of an inefficient algorithm. The percent_encodings array contains all matches of percent encodings. It is not deduplicated. For a URL of length N, the size of percent_encodings may be up to O(N). The next step (normalize existing percent-encoded bytes) also takes up to O(N) for each step, so the total time is O(N^2). If percent_encodings were deduplicated, the time to compute _encode_invalid_chars would be O(kN), where k is at most 484 ((10+6*2)^2).

Affected versions: [">= 1.25.2, <= 1.25.7"]

dependabot-preview[bot] avatar Apr 30 '21 17:04 dependabot-preview[bot]