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  5. CVE-2017-1000433

CVE-2017-1000433: pysaml2 Improper Authentication vulnerability

July 13, 2018 (updated October 21, 2024)

pysaml2 version 4.4.0 and older accept any password when run with python optimizations enabled. This allows attackers to log in as any user without knowing their password.

References

  • github.com/IdentityPython/pysaml2/commit/6312a41e037954850867f29d329e5007df1424a5
  • github.com/IdentityPython/pysaml2/pull/454
  • github.com/advisories/GHSA-924m-4pmx-c67h
  • github.com/pypa/advisory-database/tree/main/vulns/pysaml2/PYSEC-2018-48.yaml
  • github.com/rohe/pysaml2
  • github.com/rohe/pysaml2/issues/451
  • lists.debian.org/debian-lts-announce/2018/07/msg00000.html
  • lists.debian.org/debian-lts-announce/2021/02/msg00038.html
  • nvd.nist.gov/vuln/detail/CVE-2017-1000433
  • security.gentoo.org/glsa/201801-11

Code Behaviors & Features

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Affected versions

All versions before 4.5.0

Fixed versions

  • 4.5.0

Solution

Upgrade to version 4.5.0 or above.

Impact 8.1 HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-287: Improper Authentication

Source file

pypi/pysaml2/CVE-2017-1000433.yml

Spotted a mistake? Edit the file on GitLab.

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