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Description of problem:

Depending on the umask configuration of the target system, "sudo oscap"
may create the result files in temporary directory with 600 permissions,
which makes retrieving the log (as the regular user that ssh'ed to the
system) impossible:

$ oscap-ssh --sudo user@system 22 xccdf eval ...
[...]
oscap exit code: 0
Copying back requested files...
scp: /tmp/tmp.0kfbPWEy6u/report.html: Permission denied
Failed to copy the HTML report back to local machine!


Version-Release number of selected component (if applicable):

All openscap packages, including Upstream


How reproducible:

Always


Steps to Reproduce:
1. Set a default umask in /etc/sudoers:

Defaults	umask = 0077

2. Run oscap-ssh

$ oscap-ssh --sudo rmetrich@vm-rhel7 22 xccdf eval --rule xccdf_org.ssgproject.content_rule_ensure_gpgcheck_globally_activated --profile xccdf_org.ssgproject.content_profile_pci-dss --report report.html /usr/share/xml/scap/ssg/content/ssg-rhel7-ds.xml

Actual results:

Failure to retrieve the result

Expected results:

Result being retrieved.

Additional info:

Issue applies Upstream. See PR https://github.com/OpenSCAP/openscap/pull/1481

An even simple reproducer is to change the default umask in /etc/bashrc:
-------- 8< ---------------- 8< ---------------- 8< ---------------- 8< --------
    if [ $UID -gt 199 ] && [ "`/usr/bin/id -gn`" = "`/usr/bin/id -un`" ]; then
       umask 002
    else
       umask 022
    fi
    umask 027       <<<--- HERE for example
-------- 8< ---------------- 8< ---------------- 8< ---------------- 8< --------

https://github.com/OpenSCAP/openscap/pull/1485

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (openscap bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2020:3914