Multiple vulnerabilities in Intel CSME



Published: 2020-06-11 | Updated: 2020-06-12
Risk Low
Patch available YES
Number of vulnerabilities 3
CVE ID CVE-2020-0534
CVE-2020-0542
CVE-2020-0541
CWE ID CWE-787
CWE-119
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Converged Security and Management Engine (CSME)
Hardware solutions / Firmware

Vendor Intel

Security Advisory

Updated 12.06.2020

Added vulnerability #3

1) Out-of-bounds write

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-0534

CWE-ID: CWE-787 - Out-of-bounds Write

Exploit availability: No

Description

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in subsystem. A local user can trigger out-of-bounds write and execute arbitrary code on the target system with elevated privileges.

Note: This vulnerability affects the following versions of Intel CSME:

  • 12.0 through 12.0.63

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Converged Security and Management Engine (CSME): 13.0.31, 14.0.32, 14.5.11

CPE External links

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00295.html

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) Buffer overflow

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-0542

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in subsystem. A local user can trigger memory corruption and gain elevated privileges on the target system.

Note: This vulnerability affects the following versions of Intel CSME:

  • 12.0 through 12.0.63

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Converged Security and Management Engine (CSME): 13.0.31, 14.0.32, 14.5.11

CPE External links

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00295.html

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) Out-of-bounds write

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-0541

CWE-ID: CWE-787 - Out-of-bounds Write

Exploit availability: No

Description

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in subsystem. A local user can trigger out-of-bounds write and execute arbitrary code on the target system with elevated privileges.

Note: This vulnerability affects the following versions of Intel CSME:
  • 12.0 through 12.0.63

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Converged Security and Management Engine (CSME): 13.0.31, 14.0.32, 14.5.11

CPE External links

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00295.html

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.



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