Hello,

I found the next issue with openVas last week. After running a package
update and upgrade on a PC that uses 14.04, with openvas 8 installed from
the source files and working without issues, it was impossible to establish
connections between the manager and the scanner. Every time the logs
gathered a unexpected TLS packet lentgh error or signature algorithm not
allowed.

Tried different solutions after doing research on the net and observing the
different error logs, it was impossible to rebuild the database with
openvasmd --rebuild, even after trying to regenerate certificates. I know
the instruction "openvas-mkcert-client -n om -i" seems to solve many
problems with openvas manager / gsad not working, but in this case this
didn't solve the issue.

In the end, we run a backup of the PC and updated the packages that were
ready to be upgraded one by one until seeing if one of them was causing the
problems. In the end it was found the the next packages on the last
available ubuntu download were causing openVas to not be able to establish
secure connection between the manager and the scanner, even if the
certificates being used worked properly before.

Packages
libgnutls-dev -> version: 2.12.23-12ubuntu2.4
libgnutls-openssl27 -> version: 2.12.23-12ubuntu2.4
libgnutls26 -> version: 2.12.23-12ubuntu2.4
libgnutlsxx27 -> version: 2.12.23-12ubuntu2.4

This packages are prerequisite of the openvas-libraries if I'm not
mistaken. This issue happened with the sources currently available on the
openvas website too. (libraries 8.0.6, scanner 5.0.5, manager 6.0.7,
greenbone 6.0.8 and cli 1.4.3)

The only solution that allowed openvas to work again was to downgrade them
to the other available version after doing a pckg cache, version:
2.12.23-12ubuntu2

Is this a known issue? And if it is, there is another supposed package that
should be used or it only is supposed to work on the downgraded package?

Thanks in advance!
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