High, CVSS 8.7PyPIAmendedPublished
postfix-mta-sts-resolver Algorithm Downgrade vulnerability
CVE-2019-16791 · GHSA-h92m-42h4-82f6
- Affected
- PyPI postfix-mta-sts-resolver < 0.5.1
- Fixed in
- 0.5.1· Vendor fix available
- Issue
- Incorrect query parsing Impact All users of versions prior to 0.5.1 can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy. Patches Problem has been patched in version 0.5.1 Workarounds Users may remediate this vulnerability without upgrading by applying these patches to older suppoorted versions. For more information If you have any questions or comments about this advisory: Open an issue in postfix-mta-sts-resolver repo Email me at vladislav at vm-0 dot com
Recommended action: Upgrade to 0.5.1 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.