This OBS toolchain update fixes the following issues:
Package 'build':
Package 'obs-service-sourcevalidator': - CVE-2017-9274: Don't use rpmbuild to extract sources, patches etc. from a spec (bnc#938556). - Update to version 0.7 - use specquery instead of output_versions using the specfile parser from the build package (boo#1059858)
Package 'osc': - update to version 0.162.0 - add Recommends: ca-certificates to enable TLS verification without manually installing them. (bnc#1061500)