NVD Vulnerability Detail
Search Exploit, PoC
CVE-2020-8332
Summary

A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x servers may allow arbitrary code execution. Servers operating in UEFI mode are not affected.

Publication Date Oct. 15, 2020, 7:15 a.m.
Registration Date Jan. 26, 2021, 12:01 p.m.
Last Update Nov. 21, 2024, 2:38 p.m.
CVSS3.1 : MEDIUM
スコア 6.4
Vector CVSS:3.1/AV:L/AC:H/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) 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 6.9
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:o:lenovo:bladecenter_hs23_firmware:*:*:*:*:*:*:*:* tke170b
execution environment
1 cpe:2.3:h:lenovo:bladecenter_hs23:-:*:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:o:lenovo:bladecenter_hs23e_firmware:*:*:*:*:*:*:*:* ahe172b
execution environment
1 cpe:2.3:h:lenovo:bladecenter_hs23e:-:*:*:*:*:*:*:*
Configuration3 or higher or less more than less than
cpe:2.3:o:lenovo:compute_node-x440_firmware:*:*:*:*:*:*:*:* cge128a
execution environment
1 cpe:2.3:h:lenovo:compute_node-x440:-:*:*:*:*:*:*:*
Configuration4 or higher or less more than less than
cpe:2.3:o:lenovo:flex_system_x220_firmware:*:*:*:*:*:*:*:* kse170b
execution environment
1 cpe:2.3:h:lenovo:flex_system_x220:-:*:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:o:lenovo:flex_system_x240_firmware:*:*:*:*:*:*:*:* b2e172b
execution environment
1 cpe:2.3:h:lenovo:flex_system_x240:-:*:*:*:*:*:*:*
Configuration6 or higher or less more than less than
cpe:2.3:o:lenovo:flex_system_x440_firmware:*:*:*:*:*:*:*:* cne172b
execution environment
1 cpe:2.3:h:lenovo:flex_system_x440:-:*:*:*:*:*:*:*
Configuration7 or higher or less more than less than
cpe:2.3:o:lenovo:nextscale_nx360_m4_firmware:*:*:*:*:*:*:*:* fhe132b
execution environment
1 cpe:2.3:h:lenovo:nextscale_nx360_m4:-:*:*:*:*:*:*:*
Configuration8 or higher or less more than less than
cpe:2.3:o:lenovo:system_x3300_m4_firmware:*:*:*:*:*:*:*:* yae166b
execution environment
1 cpe:2.3:h:lenovo:system_x3300_m4:-:*:*:*:*:*:*:*
Configuration9 or higher or less more than less than
cpe:2.3:o:lenovo:system_x3500_m4_firmware:*:*:*:*:*:*:*:* y5e170b
execution environment
1 cpe:2.3:h:lenovo:system_x3500_m4:-:*:*:*:*:*:*:*
Configuration10 or higher or less more than less than
cpe:2.3:o:lenovo:system_x3530_m4_firmware:*:*:*:*:*:*:*:* bee174b
execution environment
1 cpe:2.3:h:lenovo:system_x3530_m4:-:*:*:*:*:*:*:*
Configuration11 or higher or less more than less than
cpe:2.3:o:lenovo:system_x3550_m4_firmware:*:*:*:*:*:*:*:* d7e174b
execution environment
1 cpe:2.3:h:lenovo:system_x3550_m4:-:*:*:*:*:*:*:*
Configuration12 or higher or less more than less than
cpe:2.3:o:lenovo:system_x3630_m4_firmware:*:*:*:*:*:*:*:* bee174b
execution environment
1 cpe:2.3:h:lenovo:system_x3630_m4:-:*:*:*:*:*:*:*
Configuration13 or higher or less more than less than
cpe:2.3:o:lenovo:system_x3650_m4_firmware:*:*:*:*:*:*:*:* vve172b
execution environment
1 cpe:2.3:h:lenovo:system_x3650_m4:-:*:*:*:*:*:*:*
Configuration14 or higher or less more than less than
cpe:2.3:o:lenovo:system_x3650_m4_bd_firmware:*:*:*:*:*:*:*:* vve172b
execution environment
1 cpe:2.3:h:lenovo:system_x3650_m4_bd:-:*:*:*:*:*:*:*
Configuration15 or higher or less more than less than
cpe:2.3:o:lenovo:system_x3650_m4_hd_firmware:*:*:*:*:*:*:*:* vve172b
execution environment
1 cpe:2.3:h:lenovo:system_x3650_m4_hd:-:*:*:*:*:*:*:*
Configuration16 or higher or less more than less than
cpe:2.3:o:lenovo:system_x3750_m4_firmware:*:*:*:*:*:*:*:* a5e130a
execution environment
1 cpe:2.3:h:lenovo:system_x3750_m4:-:*:*:*:*:*:*:*
Configuration17 or higher or less more than less than
cpe:2.3:o:lenovo:system_x3750_m4_firmware:*:*:*:*:*:*:*:* koe170b
execution environment
1 cpe:2.3:h:lenovo:system_x3750_m4:-:*:*:*:*:*:*:*
Configuration18 or higher or less more than less than
cpe:2.3:o:lenovo:idataplex_dx360_m4_firmware:*:*:*:*:*:*:*:* tde168b
execution environment
1 cpe:2.3:h:lenovo:idataplex_dx360_m4:-:*:*:*:*:*:*:*
Configuration19 or higher or less more than less than
cpe:2.3:o:lenovo:idataplex_dx360_m4_water_cooled_firmware:*:*:*:*:*:*:*:* tde168b
execution environment
1 cpe:2.3:h:lenovo:idataplex_dx360_m4_water_cooled:-:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
複数の Lenovo および IBM System x サーバ製品における Time-of-check Time-of-use (TOCTOU) 競合状態の脆弱性
Title 複数の Lenovo および IBM System x サーバ製品における Time-of-check Time-of-use (TOCTOU) 競合状態の脆弱性
Summary

複数の Lenovo および IBM System x サーバ製品には、Time-of-check Time-of-use (TOCTOU) 競合状態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 Oct. 13, 2020, midnight
Registration Date May 21, 2021, 4:52 p.m.
Last Update May 21, 2021, 4:52 p.m.
Affected System
Lenovo
Compute Node-x440 ファームウェア 
Flex System x220 ファームウェア 
Flex System x240 ファームウェア 
Flex System x440 ファームウェア 
System x3300 M4 ファームウェア 
System x3500 M4 ファームウェア 
System x3550 M4 ファームウェア 
System x3650 M4 HD ファームウェア 
System x3650 M4 ファームウェア 
System x3750 M4 ファームウェア 
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
Change Log
No Changed Details Date of change
1 [2021年05月21日]
  掲載		 May 21, 2021, 4:52 p.m.