Security Vulnerabilities fixed in sudo RHSA-2021:1723

Description

The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root. Security Fix(es): sudo: symbolic link attack in SELinux-enabled sudoedit (CVE-2021-23240) sudo: possible directory existence test due to race condition in sudoedit (CVE-2021-23239) sudo: symbolic link attack in SELinux-enabled sudoedit (CVE-2021-23240) sudo: possible directory existence test due to race condition in sudoedit (CVE-2021-23239) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section. SolutionFor details on how to apply this update, which includes the changes described in this advisory, refer to:https://access.redhat.com/articles/11258

Affected Applications

sudo

CVE References

CVE-2021-23240 CVE-2021-23239

Other References

https://access.redhat.com/errata/RHSA-2021:1723