Description
An issue was discovered in Ada Web Server 20.0. When configured to use SSL (which is not the default setting), the SSL/TLS used to establish connections to external services is done without proper hostname validation. This is exploitable by man-in-the-middle attackers.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | libaws | No fix yet | — |
| Ubuntu 20.04 LTS | libaws | No fix yet | — |
| Ubuntu 18.04 LTS | libaws | No fix yet | — |
| Ubuntu 16.04 LTS | libaws | No fix yet | — |