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[Security] Bump urllib3 from 1.25.3 to 1.25.8 #629

Closed dependabot-preview[bot] closed 3 years ago

dependabot-preview[bot] commented 3 years ago

Bumps urllib3 from 1.25.3 to 1.25.8. This update includes a security fix.

Vulnerabilities fixed

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

Release notes

Sourced from urllib3's releases.

1.25.8

Release: 1.25.8

1.25.7

No release notes provided.

1.25.6

Release: 1.25.6

1.25.5

Release: 1.25.5

1.25.4

Release: 1.25.4

Changelog

Sourced from urllib3's changelog.

1.25.8 (2020-01-20)

  • Drop support for EOL Python 3.4 (Pull #1774)
  • Optimize _encode_invalid_chars (Pull #1787)

1.25.7 (2019-11-11)

  • Preserve chunked parameter on retries (Pull #1715, Pull #1734)
  • Allow unset SERVER_SOFTWARE in App Engine (Pull #1704, Issue #1470)
  • Fix issue where URL fragment was sent within the request target. (Pull #1732)
  • Fix issue where an empty query section in a URL would fail to parse. (Pull #1732)
  • Remove TLS 1.3 support in SecureTransport due to Apple removing support (Pull #1703)

1.25.6 (2019-09-24)

  • Fix issue where tilde (~) characters were incorrectly percent-encoded in the path. (Pull #1692)

1.25.5 (2019-09-19)

  • Add mitigation for BPO-37428 affecting Python <3.7.4 and OpenSSL 1.1.1+ which caused certificate verification to be enabled when using cert_reqs=CERT_NONE. (Issue #1682)

1.25.4 (2019-09-19)

  • Propagate Retry-After header settings to subsequent retries. (Pull #1607)
  • Fix edge case where Retry-After header was still respected even when explicitly opted out of. (Pull #1607)
  • Remove dependency on rfc3986 for URL parsing.
  • Fix issue where URLs containing invalid characters within Url.auth would raise an exception instead of percent-encoding those characters.
  • Add support for HTTPResponse.auto_close = False which makes HTTP responses work well with BufferedReaders and other io module features. (Pull #1652)
  • Percent-encode invalid characters in URL for HTTPConnectionPool.request() (Pull #1673)
Commits
  • 2a57bc5 Release 1.25.8 (#1788)
  • a2697e7 Optimize _encode_invalid_chars (#1787)
  • d2a5a59 Move IPv6 test skips in server fixtures
  • d44f0e5 Factorize test certificates serialization
  • 84abc7f Generate IPV6 certificates using trustme
  • 6a15b18 Run IPv6 Tornado server from fixture
  • 4903840 Use trustme to generate IP_SAN cert
  • 9971e27 Empty responses should have no lines.
  • 62ef68e Use trustme to generate NO_SAN certs
  • fd2666e Use fixture to configure NO_SAN test certs
  • Additional commits viewable in compare view


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dependabot-preview[bot] commented 3 years ago

Superseded by #667.