RHSA-2001:095: New util-linux packages available to fix vipw permissions problems
Description
New util-linux packages are available for Red Hat Linux 7.1. These packages fix a problem where vipw would leave the /etc/shadow file world-readable after editing it. It is recommended that all users update to the fixed packages. Also, if you have used vipw on Red Hat Linux 7.1 before, make sure to run (as root): chmod 0400 /etc/shadow
vipw, from the util-linux package in Red Hat Linux 7.1, included a new option that allowed editing of the /etc/shadow file as well as /etc/passwd. However, this option did not take measures to ensure that the file remained only readable by root. Thanks go to lloyd@acm.jhu.edu for bringing the problem to our attention.
Solution(s)
- redhat-upgrade-util-linux
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