CVEvulnerability

CVE-2007-1558

2.6 LOW Published 2007-04-16 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2007-04-16
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
2.6 LOW — AV:N/AC:H/Au:N/C:P/I:N/A:N

Description

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.

Affected configurations

• apop protocol apop protocol

References