The APOP protocol allows remote attackers to guess the first 3 characters of a password via man-in-the-middle (MITM) attacks that use crafted message IDs and MD5 collisions. NOTE: this design-level issue potentially affects all products that use APOP, including (1) Thunderbird 1.x before 1.5.0.12 and 2.x before 2.0.0.4, (2) Evolution, (3) mutt, (4) fetchmail before 6.3.8, (5) SeaMonkey 1.0.x before 1.0.9 and 1.1.x before 1.1.2, (6) Balsa 2.3.16 and earlier, (7) Mailfilter before 0.8.2, and possibly other products.
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Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
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History
No history.

Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-07T12:59:08.708Z
Reserved: 2007-03-20T00:00:00
Link: CVE-2007-1558

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Status : Deferred
Published: 2007-04-16T22:19:00.000
Modified: 2025-04-09T00:30:58.490
Link: CVE-2007-1558


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