Vulnerability CVE-2019-16791
Published: 2020-01-22

Description:
In postfix-mta-sts-resolver before 0.5.1, All users can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy.

Type:

CWE-362

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Postfix-mta-sts-resolver project -> Postfix-mta-sts-resolver 

 References:
https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b
https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6
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