Vulnerability identifier: #VU29001

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0545

CWE-ID: CWE-190

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Converged Security and Management Engine (CSME)
Hardware solutions / Firmware
Intel Trusted Execution Engine Firmware
Hardware solutions / Firmware
Intel Server Platform Services Firmware
Web applications / Other software

Vendor: Intel

Description

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

The vulnerability exists due to integer overflow in subsystem. A remote attacker can pass specially crafted data to the application, trigger integer overflow and cause a denial of service condition on the target system.

Note: This vulnerability affects the following versions of Intel CSME, TXE and SPS:

CSME:

• 11.0 through 11.8.76
• 11.20 through 11.22.76
• 11.10 through 11.12.76

TXE:

• 3.0 through 3.1.70
• 4.0 through 4.0.20

SPS:

• SPS_E5_04.00.00.000.0 through SPS_E5_04.01.04.379.0
• SPS_SoC-X_04.00.00.000.0 through SPS_SoC-X_04.00.04.127.0
• SPS_SoC-A_04.00.00.000.0 through SPS_SoC-A_04.00.04.210.0
• SPS_E3_04.00.00.000.0 through SPS_E3_04.01.04.103.0
• SPS_E3_04.08.00.000.0 through SPS_E3_04.08.04.065.0

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Converged Security and Management Engine (CSME): All versions

Intel Trusted Execution Engine Firmware: All versions

Intel Server Platform Services Firmware: All versions

---

CPE

• cpe:2.3:h:intel:csme:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:intel_txe:*:*:*:*:*:*:*:*
• cpe:2.3:a:intel:intel_sps:*:*:*:*:*:*:*:*

External links
http://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.