CVE-2020-5953
| Summary |
A vulnerability exists in System Management Interrupt (SWSMI) handler of InsydeH2O UEFI Firmware code located in SWSMI handler that dereferences gRT (EFI_RUNTIME_SERVICES) pointer to call a GetVariable service, which is located outside of SMRAM. This can result in code execution in SMM (escalating privilege from ring 0 to ring -2).
|
| Publication Date |
Feb. 3, 2022, 10:15 a.m. |
| Registration Date |
Feb. 3, 2022, 4 p.m. |
| Last Update |
Nov. 21, 2024, 2:34 p.m. |
|
CVSS3.1 : HIGH
|
| スコア |
7.5
|
| Vector |
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/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) |
高 |
| 利用者の関与(UI) |
不要 |
| 影響の想定範囲(S) |
変更あり |
| 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 |
6.9
|
| Vector |
AV:L/AC:M/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) |
中 |
| 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
|
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:insyde:insydeh2o:5.34.03.0029:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:a:insyde:insydeh2o:5.23.45.0023:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:a:insyde:insydeh2o:5.23.04.0045:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:a:insyde:insydeh2o:5.42.03.0010:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:a:insyde:insydeh2o:5.33.15.0034:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:a:insyde:insydeh2o:5.12.09.0074:*:*:*:*:*:*:* |
|
|
|
|
| Configuration2 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:ruggedcom_ape1808_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:ruggedcom_ape1808:-:*:*:*:*:*:*:* |
| Configuration3 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_field_pg_m6_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_field_pg_m6:-:*:*:*:*:*:*:* |
| Configuration4 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_ipc127e_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_ipc127e:-:*:*:*:*:*:*:* |
| Configuration5 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_ipc227g_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_ipc227g:-:*:*:*:*:*:*:* |
| Configuration6 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_ipc277g_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_ipc277g:-:*:*:*:*:*:*:* |
| Configuration7 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_itp1000_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_itp1000:-:*:*:*:*:*:*:* |
| Configuration8 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_ipc477e_pro_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_ipc477e_pro:-:*:*:*:*:*:*:* |
| Configuration9 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_ipc627e_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_ipc627e:-:*:*:*:*:*:*:* |
| Configuration10 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_ipc647e_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_ipc647e:-:*:*:*:*:*:*:* |
| Configuration11 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_ipc677e_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_ipc677e:-:*:*:*:*:*:*:* |
| Configuration12 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_ipc847e_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_ipc847e:-:*:*:*:*:*:*:* |
| Configuration13 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_ipc327g_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_ipc327g:-:*:*:*:*:*:*:* |
| Configuration14 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_ipc377g_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_ipc377g:-:*:*:*:*:*:*:* |
| Configuration15 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_ipc427e_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_ipc427e:-:*:*:*:*:*:*:* |
| Configuration16 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_ipc477e_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_ipc477e:-:*:*:*:*:*:*:* |
| Configuration17 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:siemens:simatic_field_pg_m5_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:siemens:simatic_field_pg_m5:-:*:*:*:*:*:*:* |
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
InsydeH2O UEFI ファームウェアにおける脆弱性
| Title |
InsydeH2O UEFI ファームウェアにおける脆弱性
|
| Summary |
InsydeH2O UEFI ファームウェアには、不特定の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 |
Feb. 1, 2022, midnight |
| Registration Date |
Feb. 17, 2022, 10:48 a.m. |
| Last Update |
Feb. 28, 2022, 4:09 p.m. |
Affected System
| Insyde Software |
|
InsydeH2O
|
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
その他
Change Log
| No |
Changed Details |
Date of change |
| 1 |
[2022年02月17日]
掲載 |
Feb. 17, 2022, 10:48 a.m. |
| 2 |
[2022年02月28日]
参考情報：JVN (JVNVU#98748974) を追加 |
Feb. 28, 2022, 2:34 p.m. |