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CVE-2023-20569 Information disclosure

Significant
Remediate Within one Month

CVE Information

Original CVE data

Published:
Updated:

A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled?address, potentially leading to information disclosure.

CWE: CWE-203
CVSS v2-
CVSS v34.7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
References
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7005
http://xenbits.xen.org/xsa/advisory-434.html
http://www.openwall.com/lists/oss-security/2023/08/08/4
https://comsec.ethz.ch/research/microarch/inception/
https://lists.fedoraproject.org/archives/list/[email protected]/message/L4E4TZNMLYL2KETY23IPA43QXFAVJ46V/
https://lists.fedoraproject.org/archives/list/[email protected]/message/PKK3IA63LSKM4EC3TN4UM6DDEIOWEQIG/
https://lists.debian.org/debian-lts-announce/2023/08/msg00013.html
https://www.debian.org/security/2023/dsa-5475
https://lists.fedoraproject.org/archives/list/[email protected]/message/T7WO5JM74YJSYAE5RBV4DC6A4YLEKWLF/
https://lists.fedoraproject.org/archives/list/[email protected]/message/HKKYIK2EASDNUV4I7EFJKNBVO3KCKGRR/
https://security.netapp.com/advisory/ntap-20240605-0006/
Affected Vendors

Amd - (141)

Debian - (1)

Fedoraproject - (1)

Microsoft - (12)

Basic Analysis

Common vulnerability metrics

Vulnerabilty type as detected by PRIOnengine

Information disclosure

CVSS Scores as calculated by PRIOnengine
CVSS v22.1
AV:L/AC:L/AU:N/C:P/I:N/A:N
CVSS v35.5
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
MITRE CWE Top 25

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Exploits

No exploit code is reported to exist.

Active Exploitation

Vulnerability is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. See the KEV Catalog

Social Network Activity

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Threat Actor Activity

No sightings of the vulnerability within threat reports.

Cybersecurity Frameworks

How the vulnerability maps against various cybersecurity frameworks

T1591 - Gather Victim Org Information
T1590 - Gather Victim Network Information
T1589.001 - Gather Victim Identity Information (Credentials)
T1552 - Unsecured Credentials
T1082 - System Information Discovery
T1003 - OS Credential Dumping

Compliance Impact

How the submited vulnerability affects compliance

PCI DSS v3.2.1-6.5.5 - Improper Error Handling

Web Application Security Frameworks

Applicable if the issue likely affects a web application

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