| Summary | Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a stack-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Service, arbitrary code execution, or information disclosure in UEFI or BIOS Preboot Environment. |
|---|---|
| Publication Date | June 15, 2021, 4:15 a.m. |
| Registration Date | June 15, 2021, 10 a.m. |
| Last Update | Nov. 21, 2024, 2:48 p.m. |
| CVSS3.1 : MEDIUM | |
| スコア | 6.7 |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:H/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) | 低 |
| 攻撃に必要な特権レベル(PR) | 高 |
| 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 : HIGH | |
| Score | 7.2 |
|---|---|
| Vector | AV:L/AC:L/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) | 低 |
| 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. | 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:o:dell:poweredge_r640_firmware:*:*:*:*:*:*:*:* | 2.11.2 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:dell:poweredge_r640:-:*:*:*:*:*:*:* | ||||
| Configuration2 | or higher | or less | more than | less than | |
| cpe:2.3:o:dell:poweredge_r740_firmware:*:*:*:*:*:*:*:* | 2.11.2 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:dell:poweredge_r740:-:*:*:*:*:*:*:* | ||||
| Configuration3 | or higher | or less | more than | less than | |
| cpe:2.3:o:dell:poweredge_r740xd_firmware:*:*:*:*:*:*:*:* | 2.11.2 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:dell:poweredge_r740xd:-:*:*:*:*:*:*:* | ||||
| Configuration4 | or higher | or less | more than | less than | |
| cpe:2.3:o:dell:poweredge_r940_firmware:*:*:*:*:*:*:*:* | 2.11.2 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:dell:poweredge_r940:-:*:*:*:*:*:*:* | ||||
| Configuration5 | or higher | or less | more than | less than | |
| cpe:2.3:o:dell:poweredge_r840_firmware:*:*:*:*:*:*:*:* | 2.11.2 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:dell:poweredge_r840:-:*:*:*:*:*:*:* | ||||
| Configuration6 | or higher | or less | more than | less than | |
| cpe:2.3:o:dell:poweredge_r940xa_firmware:*:*:*:*:*:*:*:* | 2.11.2 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:dell:poweredge_r940xa:-:*:*:*:*:*:*:* | ||||
| Configuration7 | or higher | or less | more than | less than | |
| cpe:2.3:o:dell:poweredge_t640_firmware:*:*:*:*:*:*:*:* | 2.11.2 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:dell:poweredge_t640:-:*:*:*:*:*:*:* | ||||
| Configuration8 | or higher | or less | more than | less than | |
| cpe:2.3:o:dell:poweredge_mx740c_firmware:*:*:*:*:*:*:*:* | 2.11.2 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:dell:poweredge_mx740c:-:*:*:*:*:*:*:* | ||||
| Configuration9 | or higher | or less | more than | less than | |
| cpe:2.3:o:dell:poweredge_mx840c_firmware:*:*:*:*:*:*:*:* | 2.11.2 | ||||
| execution environment | |||||
| 1 | cpe:2.3:h:dell:poweredge_mx840c:-:*:*:*:*:*:*:* | ||||
| Title | 複数の Dell PowerEdge サーバ BIOS における境界外書き込みに関する脆弱性 |
|---|---|
| Summary | 複数の Dell PowerEdge サーバ BIOS には、境界外書き込み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 | June 8, 2021, midnight |
| Registration Date | March 11, 2022, 11:40 a.m. |
| Last Update | March 11, 2022, 11:40 a.m. |
| デル |
| Dell PowerEdge MX740C ファームウェア |
| Dell PowerEdge MX840C ファームウェア |
| Dell PowerEdge R640 ファームウェア |
| Dell PowerEdge R740 ファームウェア |
| Dell PowerEdge R740XD ファームウェア |
| Dell PowerEdge R840 ファームウェア |
| Dell PowerEdge R940 ファームウェア |
| Dell PowerEdge R940XA ファームウェア |
| Dell PowerEdge T640 ファームウェア |
| No | Changed Details | Date of change |
|---|---|---|
| 1 | [2022年03月11日] 掲載 |
March 11, 2022, 11:40 a.m. |