Multiple vulnerabilities in 2nd Gen AMD Ryzen Threadripper processors

Published: 2023-04-11

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-1018 CVE-2023-1017
CWE-ID	CWE-125 CWE-787
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	2nd Gen AMD Ryzen Threadripper processors Hardware solutions / Firmware
Vendor	AMD

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU72707

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1018

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the CryptParameterDecryption routine. A remote attacker can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Vendor recommends installing the AGESA version SummitPI-SP3r2 1.1.0.7 available from the Original Equipment Manufacturers (OEM) website.

Vulnerable software versions

2nd Gen AMD Ryzen Threadripper processors: All versions

External links

http://www.amd.com/en/resources/product-security/bulletin/amd-sb-7002.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Out-of-bounds write

EUVDB-ID: #VU72706

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1017

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