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.
Weakness
A protocol or its implementation supports interaction between multiple actors and allows those actors to negotiate which algorithm should be used as a protection mechanism such as encryption or authentication, but it does not select the strongest algorithm that is available to both parties.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Postfix-mta-sts-resolver | Postfix-mta-sts-resolver_project | * | 0.5.1 (excluding) |
| Postfix-mta-sts-resolver | Ubuntu | focal | * |
| Postfix-mta-sts-resolver | Ubuntu | groovy | * |
| Postfix-mta-sts-resolver | Ubuntu | hirsute | * |
| Postfix-mta-sts-resolver | Ubuntu | impish | * |
| Postfix-mta-sts-resolver | Ubuntu | kinetic | * |
| Postfix-mta-sts-resolver | Ubuntu | lunar | * |
| Postfix-mta-sts-resolver | Ubuntu | mantic | * |
| Postfix-mta-sts-resolver | Ubuntu | oracular | * |
| Postfix-mta-sts-resolver | Ubuntu | plucky | * |
| Postfix-mta-sts-resolver | Ubuntu | trusty | * |
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/220.html
- https://cwe.mitre.org/data/definitions/606.html
- https://cwe.mitre.org/data/definitions/620.html
References
- https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b
- https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6
- https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b
- https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6