GitHub Advisoryadvisory · PyPI

GHSA-h92m-42h4-82f6 postfix-mta-sts-resolver Algorithm Downgrade vulnerability

HIGH Published 2019-07-05 Modified 2024-10-21 Official page ↗
Aliases
CVE-2019-16791
Ecosystem
PyPI
Packages
postfix-mta-sts-resolver
Severity
High
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N
Weaknesses
CWE-757
Reviewed
2020-06-16

Affected packages

• PyPI postfix-mta-sts-resolver: < 0.5.1 → fixed in 0.5.1

Description

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

Related

Alias · CVE (1)

  • CVE-2019-16791 In postfix-mta-sts-resolver before 0.5.1, All users can receive incorrect response from daemon under rare conditions, rendering downgrade… vulnerability

Weakness · CWE (1)

  • CWE-757 Selection of Less-Secure Algorithm During Negotiation weakness

References