CVE-2022-22931: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

February 7, 2022 (updated February 15, 2022)

Fix of CVE-2021-40525 do not prepend delimiters upon valid directory validations. Affected implementations include the maildir mailbox store and the Sieve file repository. This enables a user to access other users data stores (limited to user names being prefixed by the value of the username being used).

References

lists.apache.org/thread/bp8yql4wws56jlh0vxoowj7foothsmpr
nvd.nist.gov/vuln/detail/CVE-2022-22931
www.openwall.com/lists/oss-security/2022/02/07/1

Code Behaviors & Features

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