| Summary | In Enterprise Networking Operating System (ENOS) in Lenovo and IBM RackSwitch and BladeCenter products, an authentication bypass known as "HP Backdoor" was discovered during a Lenovo security audit in the serial console, Telnet, SSH, and Web interfaces. This bypass mechanism can be accessed when performing local authentication under specific circumstances. If exploited, admin-level access to the switch is granted. |
|---|---|
| Publication Date | Jan. 11, 2018, 3:29 a.m. |
| Registration Date | Jan. 26, 2021, 1:23 p.m. |
| Last Update | Nov. 21, 2024, 12:26 p.m. |
| CVSS3.0 : HIGH | |
| スコア | 7.0 |
|---|---|
| Vector | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 攻撃元区分(AV) | ローカル |
| 攻撃条件の複雑さ(AC) | 高 |
| 攻撃に必要な特権レベル(PR) | 低 |
| 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) | 高 |
| 完全性への影響(I) | 高 |
| 可用性への影響(A) | 高 |
| CVSS2.0 : MEDIUM | |
| Score | 6.2 |
|---|---|
| Vector | AV:L/AC:H/Au:N/C:C/I:C/A:C |
| 攻撃元区分(AV) | ローカル |
| 攻撃条件の複雑さ(AC) | 高 |
| 攻撃前の認証要否(Au) | 不要 |
| 機密性への影響(C) | 高 |
| 完全性への影響(I) | 高 |
| 可用性への影響(A) | 高 |
| Get all privileges. | はい |
| 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:o:lenovo:enterprise_network_operating_system:*:*:*:*:*:*:*:* | 8.4.6.0 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:lenovo:flex_system_fabric_cn4093_10gb_converged_scalable_switch:-:*:*:*:*:*:*:* | ||||
| 2 | cpe:2.3:h:lenovo:flex_system_fabric_en4093r_10gb_scalable_switch:-:*:*:*:*:*:*:* | ||||
| 3 | cpe:2.3:h:lenovo:flex_system_fabric_si4093_10gb_system_interconnect_module:-:*:*:*:*:*:*:* | ||||
| 4 | cpe:2.3:h:lenovo:flex_system_si4091_system_interconnect_module:-:*:*:*:*:*:*:* | ||||
| 5 | cpe:2.3:h:lenovo:rackswitch_g7028:-:*:*:*:*:*:*:* | ||||
| 6 | cpe:2.3:h:lenovo:rackswitch_g7052:-:*:*:*:*:*:*:* | ||||
| 7 | cpe:2.3:h:lenovo:rackswitch_g8052:-:*:*:*:*:*:*:* | ||||
| 8 | cpe:2.3:h:lenovo:rackswitch_g8124e:-:*:*:*:*:*:*:* | ||||
| 9 | cpe:2.3:h:lenovo:rackswitch_g8264:-:*:*:*:*:*:*:* | ||||
| 10 | cpe:2.3:h:lenovo:rackswitch_g8264cs:-:*:*:*:*:*:*:* | ||||
| 11 | cpe:2.3:h:lenovo:rackswitch_g8272:-:*:*:*:*:*:*:* | ||||
| 12 | cpe:2.3:h:lenovo:rackswitch_g8296:-:*:*:*:*:*:*:* | ||||
| 13 | cpe:2.3:h:lenovo:rackswitch_g8332:-:*:*:*:*:*:*:* | ||||
| Configuration2 | or higher | or less | more than | less than | |
| cpe:2.3:o:lenovo:enterprise_network_operating_system:*:*:*:*:*:*:*:* | 8.4.6.0 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:ibm:1g_l2-7_slb_switch_for_bladecenter:-:*:*:*:*:*:*:* | ||||
| 2 | cpe:2.3:h:ibm:bladecenter_1\:10g_uplink_ethernet_switch_module:-:*:*:*:*:*:*:* | ||||
| 3 | cpe:2.3:h:ibm:bladecenter_layer_2\/3_copper_ethernet_switch_module:-:*:*:*:*:*:*:* | ||||
| 4 | cpe:2.3:h:ibm:bladecenter_virtual_fabric_10gb_switch_module:-:*:*:*:*:*:*:* | ||||
| 5 | cpe:2.3:h:ibm:flex_system_en2092_1gb_ethernet_scalable_switch:-:*:*:*:*:*:*:* | ||||
| 6 | cpe:2.3:h:ibm:flex_system_fabric_cn4093_10gb_converged_scalable_switch:-:*:*:*:*:*:*:* | ||||
| 7 | cpe:2.3:h:ibm:flex_system_fabric_en4093\/en4093r_10gb_scalable_switch:-:*:*:*:*:*:*:* | ||||
| 8 | cpe:2.3:h:ibm:flex_system_fabric_si4093_10gb_system_interconnect_module:-:*:*:*:*:*:*:* | ||||
| 9 | cpe:2.3:h:ibm:rackswitch_g8052:-:*:*:*:*:*:*:* | ||||
| 10 | cpe:2.3:h:ibm:rackswitch_g8124:-:*:*:*:*:*:*:* | ||||
| 11 | cpe:2.3:h:ibm:rackswitch_g8124e:-:*:*:*:*:*:*:* | ||||
| 12 | cpe:2.3:h:ibm:rackswitch_g8264:-:*:*:*:*:*:*:* | ||||
| 13 | cpe:2.3:h:ibm:rackswitch_g8264cs:-:*:*:*:*:*:*:* | ||||
| 14 | cpe:2.3:h:ibm:rackswitch_g8264t:-:*:*:*:*:*:*:* | ||||
| 15 | cpe:2.3:h:ibm:rackswitch_g8316:-:*:*:*:*:*:*:* | ||||
| 16 | cpe:2.3:h:ibm:rackswitch_g8332:-:*:*:*:*:*:*:* | ||||
| Title | Lenovo Enterprise Networking Operating System における認証に関する脆弱性 |
|---|---|
| Summary | Lenovo Enterprise Networking Operating System (ENOS) には、認証に関する脆弱性が存在します。 |
| Possible impacts | 情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。 |
| Solution | ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。 |
| Publication Date | Jan. 9, 2018, midnight |
| Registration Date | Feb. 22, 2018, 11:55 a.m. |
| Last Update | Feb. 22, 2018, 11:55 a.m. |
| Lenovo |
| Lenovo Enterprise Networking Operating System |
| No | Changed Details | Date of change |
|---|---|---|
| 1 | [2018年02月22日] 掲載 |
Feb. 22, 2018, 11:55 a.m. |