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CVE-2018-25091: Comparing 1.24.1...1.24.2 · urllib3/urllib3

urllib3 before 1.24.2 does not remove the authorization HTTP header when following a cross-origin redirect (i.e., a redirect that differs in host, port, or scheme). This can allow for credentials in the authorization header to be exposed to unintended hosts or transmitted in cleartext. NOTE: this issue exists because of an incomplete fix for CVE-2018-20060 (which was case-sensitive).

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#auth#ssl

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base repository: urllib3/urllib3 base: 1.24.1

head repository: urllib3/urllib3 compare: 1.24.2

  • 1 commit
  • 14 files changed
  • 1 contributor

Commits on Apr 17, 2019

  1. Release 1.24.2 (#1564)

    * Don’t load system certificates by default when any other ``ca_certs``, ``ca_certs_dir`` or ``ssl_context`` parameters are specified. * Remove Authorization header regardless of case when redirecting to cross-site. (Issue #1510) * Add support for IPv6 addresses in subjectAltName section of certificates. (Issue #1269)

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Related news

Ubuntu Security Notice USN-6473-2

Ubuntu Security Notice 6473-2 - USN-6473-1 fixed vulnerabilities in urllib3. This update provides the corresponding updates for the urllib3 module bundled into pip. It was discovered that urllib3 didn't strip HTTP Authorization header on cross-origin redirects. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Ubuntu Security Notice USN-6473-1

Ubuntu Security Notice 6473-1 - It was discovered that urllib3 didn't strip HTTP Authorization header on cross-origin redirects. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. It was discovered that urllib3 didn't strip HTTP Cookie header on cross-origin redirects. A remote attacker could possibly use this issue to obtain sensitive information.

GHSA-gwvm-45gx-3cf8: Authorization Header forwarded on redirect

urllib3 before 1.24.2 does not remove the authorization HTTP header when following a cross-origin redirect (i.e., a redirect that differs in host, port, or scheme). This can allow for credentials in the authorization header to be exposed to unintended hosts or transmitted in cleartext. NOTE: this issue exists because of an incomplete fix for CVE-2018-20060 (which was case-sensitive).

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