Multiple vulnerabilities in Dell Precision Rack BIOS

1) Improper Initialization

EUVDB-ID: #VU79559

Risk: Low

CVSSv4.0: 4.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-38083

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper initialization in the BIOS firmware. A local user can run a specially crafted application to execute arbitrary code with escalated privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Precision 7960 XL Rack: before 2.19.1

Precision 7960 Rack: before 2.19.1

Precision 7920 XL Rack: before 2.19.1

Precision 7920 Rack: before 2.19.1

CPE2.3

• cpe:2.3:h:dell:precision_7960_xl_rack:*:*:*:*:*:*:*:*
• cpe:2.3:a:dell:precision_7960_rack:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:precision_7920_xl_rack:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:precision_7920_rack:*:*:*:*:*:*:*:*

External links

https://www.dell.com/support/kbdoc/nl-nl/000216244/dsa-2023-261

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Insufficient control flow management

EUVDB-ID: #VU79560

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-43505

CWE-ID: CWE-691 - Insufficient Control Flow Management

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient control flow management in the BIOS firmware. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Precision 7960 XL Rack: before 2.19.1

Precision 7960 Rack: before 2.19.1

Precision 7920 XL Rack: before 2.19.1

Precision 7920 Rack: before 2.19.1

CPE2.3

• cpe:2.3:h:dell:precision_7960_xl_rack:*:*:*:*:*:*:*:*
• cpe:2.3:a:dell:precision_7960_rack:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:precision_7920_xl_rack:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:precision_7920_rack:*:*:*:*:*:*:*:*

External links

https://www.dell.com/support/kbdoc/nl-nl/000216244/dsa-2023-261

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Improper access control

EUVDB-ID: #VU79535

Risk: Low

CVSSv4.0: 3.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-37343

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper access restrictions. A local user can execute arbitrary code with elevated privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Precision 7960 XL Rack: before 2.19.1

Precision 7960 Rack: before 2.19.1

Precision 7920 XL Rack: before 2.19.1

Precision 7920 Rack: before 2.19.1

CPE2.3

• cpe:2.3:h:dell:precision_7960_xl_rack:*:*:*:*:*:*:*:*
• cpe:2.3:a:dell:precision_7960_rack:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:precision_7920_xl_rack:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:precision_7920_rack:*:*:*:*:*:*:*:*

External links

https://www.dell.com/support/kbdoc/nl-nl/000216244/dsa-2023-261

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Information exposure through microarchitectural state after transient execution

EUVDB-ID: #VU79262

Risk: Medium

CVSSv4.0: 2.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-40982

CWE-ID: CWE-1342 - Information Exposure through Microarchitectural State after Transient Execution

Exploit availability: No

Description

The vulnerability allows a malicious guest to escalate privileges on the system.

The vulnerability exists due to the way data is shared between threads whereby the AVX GATHER instructions on Intel processors can forward the content of stale vector registers to dependent instructions. A malicious guest can infer data from different contexts on the same core and execute arbitrary code with elevated privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Precision 7960 XL Rack: before 2.19.1

Precision 7960 Rack: before 2.19.1

Precision 7920 XL Rack: before 2.19.1

Precision 7920 Rack: before 2.19.1

CPE2.3

• cpe:2.3:h:dell:precision_7960_xl_rack:*:*:*:*:*:*:*:*
• cpe:2.3:a:dell:precision_7960_rack:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:precision_7920_xl_rack:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:precision_7920_rack:*:*:*:*:*:*:*:*

External links

https://www.dell.com/support/kbdoc/nl-nl/000216244/dsa-2023-261

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Improper access control

EUVDB-ID: #VU79377

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-23908

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to improper access restrictions. A local privileged user can gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Precision 7960 XL Rack: before 2.19.1

Precision 7960 Rack: before 2.19.1

Precision 7920 XL Rack: before 2.19.1

Precision 7920 Rack: before 2.19.1

CPE2.3

• cpe:2.3:h:dell:precision_7960_xl_rack:*:*:*:*:*:*:*:*
• cpe:2.3:a:dell:precision_7960_rack:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:precision_7920_xl_rack:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:precision_7920_rack:*:*:*:*:*:*:*:*

External links

https://www.dell.com/support/kbdoc/nl-nl/000216244/dsa-2023-261

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Unauthorized error injection

EUVDB-ID: #VU79378

Risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-41804

CWE-ID: CWE-1334 - Unauthorized Error Injection Can Degrade Hardware Redundancy

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to unauthorized error injection in some Intel Xeon Processors with Intel Software Guard Extensions (SGX). A local user can execute arbitrary code with elevated privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Precision 7960 XL Rack: before 2.19.1

Precision 7960 Rack: before 2.19.1

Precision 7920 XL Rack: before 2.19.1

Precision 7920 Rack: before 2.19.1

CPE2.3

• cpe:2.3:h:dell:precision_7960_xl_rack:*:*:*:*:*:*:*:*
• cpe:2.3:a:dell:precision_7960_rack:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:precision_7920_xl_rack:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:precision_7920_rack:*:*:*:*:*:*:*:*

External links

https://www.dell.com/support/kbdoc/nl-nl/000216244/dsa-2023-261

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.