| Summary | ipfw and ip6fw in FreeBSD 4.2 and earlier allows remote attackers to bypass access restrictions by setting the ECE flag in a TCP packet, which makes the packet appear to be part of an established connection. |
|---|---|
| Publication Date | March 26, 2001, 2 p.m. |
| Registration Date | Jan. 29, 2021, 6:03 p.m. |
| Last Update | Oct. 10, 2017, 10:29 a.m. |
| CVSS2.0 : HIGH | |
| Score | 7.5 |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| 攻撃元区分(AV) | ネットワーク |
| 攻撃条件の複雑さ(AC) | 低 |
| 攻撃前の認証要否(Au) | 不要 |
| 機密性への影響(C) | 低 |
| 完全性への影響(I) | 低 |
| 可用性への影響(A) | 低 |
| Get all privileges. | いいえ |
| Get user privileges | いいえ |
| Get other privileges | はい |
| User operation required | いいえ |
| Configuration1 | or higher | or less | more than | less than | |
| cpe:2.3:o:freebsd:freebsd:3.0:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:3.1:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:3.3:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:3.4:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:3.5:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:3.5.1:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:4.0:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:4.0:alpha:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:4.1:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:4.1.1:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:4.2:*:*:*:*:*:*:* | |||||