| Package | Affected versions | Patched versions |
|---|---|---|
| imap | ≥ 2.5.0, < 2.5.15≥ 3.0.0, < 3.0.13≥ 3.1.0, < 3.1.8 | 2.5.153.0.133.1.8 |
An issue was discovered in Cyrus IMAP before 2.5.15, 3.0.x before 3.0.13, and 3.1.x through 3.1.8. If sieve script uploading is allowed (3.x) or certain non-default sieve options are enabled (2.x), a user with a mail account on the service can use a sieve script containing a fileinto directive to create any mailbox with administrator privileges, because of folder mishandling in autosieve_createfolder() in imap/lmtp_sieve.c.
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