| Summary | ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows an off-path attacker to block unauthenticated synchronization via a server mode packet with a spoofed source IP address, because transmissions are rescheduled even when a packet lacks a valid origin timestamp. |
|---|---|
| Publication Date | April 17, 2020, 1:15 p.m. |
| Registration Date | Jan. 26, 2021, 11:51 a.m. |
| Last Update | Nov. 21, 2024, 1:58 p.m. |
| CVSS3.1 : HIGH | |
| スコア | 7.5 |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 攻撃元区分(AV) | ネットワーク |
| 攻撃条件の複雑さ(AC) | 低 |
| 攻撃に必要な特権レベル(PR) | 不要 |
| 利用者の関与(UI) | 不要 |
| 影響の想定範囲(S) | 変更なし |
| 機密性への影響(C) | なし |
| 完全性への影響(I) | なし |
| 可用性への影響(A) | 高 |
| CVSS2.0 : MEDIUM | |
| Score | 5.0 |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/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) | なし |
| 完全性への影響(I) | なし |
| 可用性への影響(A) | 低 |
| Get all privileges. | いいえ |
| Get user privileges | いいえ |
| Get other privileges | いいえ |
| User operation required | いいえ |
| Configuration1 | or higher | or less | more than | less than | |
| cpe:2.3:a:ntp:ntp:4.2.8:p5:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p9:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p4:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p7:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p8:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* | 4.2.7 | ||||
| cpe:2.3:a:ntp:ntp:4.2.8:p6:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p10:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p11:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p12:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:4.2.8:p13:*:*:*:*:*:* | |||||
| cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* | 4.3.98 | 4.3.100 | |||
| cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:* | |||||
| Configuration2 | or higher | or less | more than | less than | |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | |||||
| Configuration3 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:netapp:virtual_storage_console:*:*:*:*:*:vsphere:*:* | 7.2 | ||||
| cpe:2.3:a:netapp:data_ontap:-:*:*:*:*:7-mode:*:* | |||||
| cpe:2.3:a:netapp:vasa_provider_for_clustered_data_ontap:*:*:*:*:*:vsphere:*:* | 7.2 | ||||
| cpe:2.3:a:netapp:vasa_provider_for_clustered_data_ontap:*:*:*:*:*:*:*:* | 7.2 | ||||
| cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* | |||||
| Configuration4 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:hci_storage_node_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:* | ||||
| Configuration5 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:fabric-attached_storage_8300_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:fabric-attached_storage_8300:-:*:*:*:*:*:*:* | ||||
| Configuration6 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:fabric-attached_storage_8700_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:fabric-attached_storage_8700:-:*:*:*:*:*:*:* | ||||
| Configuration7 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:fabric-attached_storage_a400_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:fabric-attached_storage_a400:-:*:*:*:*:*:*:* | ||||
| Configuration8 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:all_flash_fabric-attached_storage_8300_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:all_flash_fabric-attached_storage_8300:-:*:*:*:*:*:*:* | ||||
| Configuration9 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:all_flash_fabric-attached_storage_8700_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:all_flash_fabric-attached_storage_8700:-:*:*:*:*:*:*:* | ||||
| Configuration10 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:all_flash_fabric-attached_storage_a400_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:all_flash_fabric-attached_storage_a400:-:*:*:*:*:*:*:* | ||||
| Configuration11 | or higher | or less | more than | less than | |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | |||||
| Configuration12 | or higher | or less | more than | less than | |
| cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* | |||||
| Title | ntp におけるリソースの枯渇に関する脆弱性 |
|---|---|
| Summary | ntp には、リソースの枯渇に関する脆弱性が存在します。 |
| Possible impacts | サービス運用妨害 (DoS) 状態にされる可能性があります。 |
| Solution | ベンダ情報および参考情報を参照して適切な対策を実施してください。 |
| Publication Date | March 3, 2020, midnight |
| Registration Date | May 22, 2020, 6:03 p.m. |
| Last Update | Aug. 24, 2023, 2:28 p.m. |
| レッドハット |
| Red Hat Enterprise Linux |
| NTP Project |
| NTP 4.2.8p14 未満 |
| NTP 4.3.100 未満の 4.3.x |
| NetApp |
| Clustered Data ONTAP |
| Data ONTAP |
| No | Changed Details | Date of change |
|---|---|---|
| 1 | [2020年05月22日] 掲載 |
May 22, 2020, 6:03 p.m. |
| 2 | [2023年08月24日] 参考情報：JVN (JVNVU#96001661) を追加 参考情報：ICS-CERT ADVISORY (ICSA-23-234-01) を追加 |
Aug. 24, 2023, 2:28 p.m. |