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  5. CVE-2020-36563

CVE-2020-36563: go-saml's XML Digital Signatures use SHA-1

December 28, 2022 (updated April 11, 2025)

XML Digital Signatures generated and validated using this package use SHA-1, which may allow an attacker to craft inputs which cause hash collisions depending on their control over the input.

References

  • github.com/RobotsAndPencils/go-saml
  • github.com/RobotsAndPencils/go-saml/commit/4a1b1f5752a029e171965e0510a425d0fdd1eced
  • github.com/RobotsAndPencils/go-saml/pull/38
  • github.com/advisories/GHSA-5rhg-xhgr-5hfj
  • nvd.nist.gov/vuln/detail/CVE-2020-36563
  • pkg.go.dev/vuln/GO-2020-0047

Code Behaviors & Features

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Affected versions

All versions up to 0.0.0-20170520135329-fb13cb52a46b

Solution

Unfortunately, there is no solution available yet.

Impact 5.3 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-347: Improper Verification of Cryptographic Signature

Source file

go/github.com/RobotsAndPencils/go-saml/CVE-2020-36563.yml

Spotted a mistake? Edit the file on GitLab.

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