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A logic error in the CRAM-MD5 code for the University of Washington IMAP (UW-IMAP) server, when Challenge-Response Authentication Mechanism with MD5 (CRAM-MD5) is enabled, does not properly enforce all the required conditions for successful authentication, which allows remote attackers to authenticate as arbitrary users.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade uw-imap | Jul 30, 2024 | May 2, 2005 |
| Freebsd | — | Upgrade imap-uw | Dec 10, 2025 | Jun 3, 2005 |
| Gentoo Linux | — | Upgrade net-mail/uw-imap. | Oct 30, 2017 | May 2, 2005 |
| Suse | — | Upgrade imap | Feb 17, 2015 | May 2, 2005 |
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