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  5. CVE-2018-16515

CVE-2018-16515: Improper Verification of Cryptographic Signature

September 18, 2018 (updated October 3, 2019)

Synapse allows remote attackers to spoof events and possibly have unspecified other impacts by leveraging improper transaction and event signature validation.

References

  • matrix.org/blog/2018/09/06/critical-security-update-synapse-0-33-3-1/
  • nvd.nist.gov/vuln/detail/CVE-2018-16515

Code Behaviors & Features

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Affected versions

All versions before 0.33.3.1

Fixed versions

  • 0.33.5

Solution

Upgrade to version 0.33.5 or above.

Impact 8.8 HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-347: Improper Verification of Cryptographic Signature

Source file

pypi/matrix-synapse/CVE-2018-16515.yml

Spotted a mistake? Edit the file on GitLab.

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