functions/imap_general.php in SquirrelMail before 1.4.21 does not properly handle 8-bit characters in passwords, which allows remote attackers to cause a denial of service (disk consumption) by making many IMAP login attempts with different usernames, leading to the creation of many preferences files.
2010-08-19T18:00:05.657
2025-04-11T00:51:21.963
Deferred
CVSSv2: 5.0 (MEDIUM)
AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | squirrelmail | squirrelmail | ≤ 1.4.20 | Yes |
| Application | squirrelmail | squirrelmail | 1.4 | Yes |
| Application | squirrelmail | squirrelmail | 1.4 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.0 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.0 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.0 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.0-r1 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.0_rc1 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.0_rc2a | Yes |
| Application | squirrelmail | squirrelmail | 1.4.1 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.2 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.2-r1 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.2-r2 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.2-r3 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.2-r4 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.2-r5 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.3 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.3 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.3 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.3_r3 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.3_rc1 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.3_rc1 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.3a | Yes |
| Application | squirrelmail | squirrelmail | 1.4.3aa | Yes |
| Application | squirrelmail | squirrelmail | 1.4.4 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.4 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.4_rc1 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.5 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.5 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.5_rc1 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.6 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.6 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.6_cvs | Yes |
| Application | squirrelmail | squirrelmail | 1.4.6_rc1 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.7 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.8 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.8.4fc6 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.9 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.9a | Yes |
| Application | squirrelmail | squirrelmail | 1.4.10 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.10a | Yes |
| Application | squirrelmail | squirrelmail | 1.4.11 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.12 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.13 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.15 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.15 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.15_rc1 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.15rc1 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.16 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.17 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.18 | Yes |
| Application | squirrelmail | squirrelmail | 1.4.19 | Yes |
| Application | squirrelmail | squirrelmail | 1.4_rc1 | Yes |
| Application | squirrelmail | squirrelmail | 1.44 | Yes |