CVE-2020-8332 | ByteOS Network

Vulnerability Details :

CVE-2020-8332

Assigner-lenovo

Assigner Org ID-da227ddf-6e25-4b41-b023-0f976dcaca4b

Published At-14 Oct, 2020 | 21:25

Updated At-04 Aug, 2024 | 09:56

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.

EPSS History

Score

Latest Score

-

N/A

Percentile

Latest Percentile

-

N/A

▼Common Vulnerabilities and Exposures (CVE)

Assigner:lenovo

Assigner Org ID:da227ddf-6e25-4b41-b023-0f976dcaca4b

Published At:14 Oct, 2020 | 21:25

Updated At:04 Aug, 2024 | 09:56

▼CVE Numbering Authority (CNA)

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.

Affected Products

Vendor

Lenovo Group Limited

Product

Versions

Affected

various

Vendor

IBM Corporation

Product

Versions

Affected

various

Problem Types

Type	CWE ID	Description
CWE	CWE-367	CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

Type: CWE

CWE ID: CWE-367

Description: CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

Metrics

Version	Base score	Base severity	Vector
3.1	6.4	MEDIUM	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Version: 3.1

Base score: 6.4

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Solutions

Update system firmware to the version (or newer) indicated for your model in the Product Impact section in LEN-38625.

References

Hyperlink	Resource
https://support.lenovo.com/us/en/product_security/LEN-38625	x_refsource_MISC

Hyperlink: https://support.lenovo.com/us/en/product_security/LEN-38625

Resource:

x_refsource_MISC

▼Authorized Data Publishers (ADP)

CVE Program Container

References

Hyperlink	Resource
https://support.lenovo.com/us/en/product_security/LEN-38625	x_refsource_MISC x_transferred

Hyperlink: https://support.lenovo.com/us/en/product_security/LEN-38625

Resource:

x_refsource_MISC

x_transferred

▼National Vulnerability Database (NVD)

Source:psirt@lenovo.com

Published At:14 Oct, 2020 | 22:15

Updated At:29 Oct, 2020 | 19:53

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.

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	6.4	MEDIUM	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Secondary	3.1	6.4	MEDIUM	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary	2.0	6.9	MEDIUM	AV:L/AC:M/Au:N/C:C/I:C/A:C

Type: Primary

Version: 3.1

Base score: 6.4

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Type: Secondary

Version: 3.1

Base score: 6.4

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Type: Primary

Version: 2.0

Base score: 6.9

Base severity: MEDIUM

Vector:

AV:L/AC:M/Au:N/C:C/I:C/A:C

CPE Matches

Lenovo Group Limited

>>bladecenter_hs23>>-

cpe:2.3:h:lenovo:bladecenter_hs23:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>bladecenter_hs23_firmware>>Versions before tke170b(exclusive)

cpe:2.3:o:lenovo:bladecenter_hs23_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>bladecenter_hs23e>>-

cpe:2.3:h:lenovo:bladecenter_hs23e:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>bladecenter_hs23e_firmware>>Versions before ahe172b(exclusive)

cpe:2.3:o:lenovo:bladecenter_hs23e_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>compute_node-x440>>-

cpe:2.3:h:lenovo:compute_node-x440:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>compute_node-x440_firmware>>Versions before cge128a(exclusive)

cpe:2.3:o:lenovo:compute_node-x440_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>flex_system_x220>>-

cpe:2.3:h:lenovo:flex_system_x220:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>flex_system_x220_firmware>>Versions before kse170b(exclusive)

cpe:2.3:o:lenovo:flex_system_x220_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>flex_system_x240>>-

cpe:2.3:h:lenovo:flex_system_x240:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>flex_system_x240_firmware>>Versions before b2e172b(exclusive)

cpe:2.3:o:lenovo:flex_system_x240_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>flex_system_x440>>-

cpe:2.3:h:lenovo:flex_system_x440:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>flex_system_x440_firmware>>Versions before cne172b(exclusive)

cpe:2.3:o:lenovo:flex_system_x440_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>nextscale_nx360_m4>>-

cpe:2.3:h:lenovo:nextscale_nx360_m4:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>nextscale_nx360_m4_firmware>>Versions before fhe132b(exclusive)

cpe:2.3:o:lenovo:nextscale_nx360_m4_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3300_m4>>-

cpe:2.3:h:lenovo:system_x3300_m4:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3300_m4_firmware>>Versions before yae166b(exclusive)

cpe:2.3:o:lenovo:system_x3300_m4_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3500_m4_firmware>>Versions before y5e170b(exclusive)

cpe:2.3:o:lenovo:system_x3500_m4_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3500_m4>>-

cpe:2.3:h:lenovo:system_x3500_m4:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3530_m4_firmware>>Versions before bee174b(exclusive)

cpe:2.3:o:lenovo:system_x3530_m4_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3530_m4>>-

cpe:2.3:h:lenovo:system_x3530_m4:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3550_m4_firmware>>Versions before d7e174b(exclusive)

cpe:2.3:o:lenovo:system_x3550_m4_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3550_m4>>-

cpe:2.3:h:lenovo:system_x3550_m4:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3630_m4_firmware>>Versions before bee174b(exclusive)

cpe:2.3:o:lenovo:system_x3630_m4_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3630_m4>>-

cpe:2.3:h:lenovo:system_x3630_m4:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3650_m4_firmware>>Versions before vve172b(exclusive)

cpe:2.3:o:lenovo:system_x3650_m4_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3650_m4>>-

cpe:2.3:h:lenovo:system_x3650_m4:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3650_m4_bd_firmware>>Versions before vve172b(exclusive)

cpe:2.3:o:lenovo:system_x3650_m4_bd_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3650_m4_bd>>-

cpe:2.3:h:lenovo:system_x3650_m4_bd:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3650_m4_hd_firmware>>Versions before vve172b(exclusive)

cpe:2.3:o:lenovo:system_x3650_m4_hd_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3650_m4_hd>>-

cpe:2.3:h:lenovo:system_x3650_m4_hd:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3750_m4_firmware>>Versions before a5e130a(exclusive)

cpe:2.3:o:lenovo:system_x3750_m4_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3750_m4>>-

cpe:2.3:h:lenovo:system_x3750_m4:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3750_m4_firmware>>Versions before koe170b(exclusive)

cpe:2.3:o:lenovo:system_x3750_m4_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>system_x3750_m4>>-

cpe:2.3:h:lenovo:system_x3750_m4:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>idataplex_dx360_m4_firmware>>Versions before tde168b(exclusive)

cpe:2.3:o:lenovo:idataplex_dx360_m4_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>idataplex_dx360_m4>>-

cpe:2.3:h:lenovo:idataplex_dx360_m4:-:*:*:*:*:*:*:*

Lenovo Group Limited

>>idataplex_dx360_m4_water_cooled_firmware>>Versions before tde168b(exclusive)

cpe:2.3:o:lenovo:idataplex_dx360_m4_water_cooled_firmware:*:*:*:*:*:*:*:*

Lenovo Group Limited

>>idataplex_dx360_m4_water_cooled>>-

cpe:2.3:h:lenovo:idataplex_dx360_m4_water_cooled:-:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-367	Primary	nvd@nist.gov
CWE-367	Secondary	psirt@lenovo.com

CWE ID: CWE-367

Type: Primary

Source: nvd@nist.gov

CWE ID: CWE-367

Type: Secondary

Source: psirt@lenovo.com

References

Hyperlink	Source	Resource
https://support.lenovo.com/us/en/product_security/LEN-38625	psirt@lenovo.com	Vendor Advisory

Hyperlink: https://support.lenovo.com/us/en/product_security/LEN-38625

Source: psirt@lenovo.com

Resource:

Vendor Advisory