[net-ldap] net-ldap has weak salt when generating passwords

The Ruby net-ldap gem before 0.16.2 uses a weak salt when generating SSHA passwords.

References

• https://nvd.nist.gov/vuln/detail/CVE-2014-0083
• https://github.com/ruby-ldap/ruby-net-ldap/commit/b412ca05f6b430eaa1ce97ac95885b4cf187b04a
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2014-0083
• https://bugzilla.suse.com/show_bug.cgi?id=CVE-2014-0083
• https://security-tracker.debian.org/tracker/CVE-2014-0083
• https://github.com/advisories/GHSA-qwgm-mxm4-3q2c