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Red Hat: CVE-2021-23239: CVE-2021-23239 sudo: possible directory existence test due to race condition in sudoedit (Multiple Advisories)

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Red Hat: CVE-2021-23239: CVE-2021-23239 sudo: possible directory existence test due to race condition in sudoedit (Multiple Advisories)

Severity
2
CVSS
(AV:L/AC:M/Au:N/C:P/I:N/A:N)
Published
01/12/2021
Created
05/21/2021
Added
05/21/2021
Modified
12/15/2023

Description

The sudoedit personality of Sudo before 1.9.5 may allow a local unprivileged user to perform arbitrary directory-existence tests by winning a sudo_edit.c race condition in replacing a user-controlled directory by a symlink to an arbitrary path.

Solution(s)

  • redhat-upgrade-sudo
  • redhat-upgrade-sudo-debuginfo
  • redhat-upgrade-sudo-debugsource

References

  • CVE-2021-23239
  • RHSA-2021:1723

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