Description
Fix of CVE-2021-40525 do not prepend delimiters upon valid directory validations. Affected implementations include: - maildir mailbox store - 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).
Remediation
References
https://lists.apache.org/thread/bp8yql4wws56jlh0vxoowj7foothsmpr
https://www.openwall.com/lists/oss-security/2022/02/07/1
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