VDB-274385 · CVE-2023-20509 · GCVE-0-2023-20509

AMD Radeon RX 6000 Graphics Cards PMFW out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in AMD Radeon RX 6000 Graphics Cards, Radeon PRO W6000 Graphics Cards, Radeon RX 7000 Graphics Cards and Radeon PRO W7000 Graphics Cards. Affected by this issue is some unknown functionality of the component PMFW. The manipulation leads to information disclosure. This vulnerability is referenced as CVE-2023-20509. The attack can only be performed from a local environment. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in AMD Radeon RX 6000 Graphics Cards, Radeon PRO W6000 Graphics Cards, Radeon RX 7000 Graphics Cards and Radeon PRO W7000 Graphics Cards (version now known). This issue affects some unknown processing of the component PMFW. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. The summary by CVE is:

An insufficient DRAM address validation in PMFW may allow a privileged attacker to perform a DMA read from an invalid DRAM address to SRAM, potentially resulting in loss of data integrity.

The advisory is shared at amd.com. The identification of this vulnerability is CVE-2023-20509 since 10/27/2022. The exploitation is known to be difficult. An attack has to be approached locally. The exploitation requires an enhanced level of successful authentication. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 1.9
VulDB Temp Score: 1.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.2
CNA Vector (AMD): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2022 🔍
08/13/2024 +656 days 🔍
08/13/2024 +0 days 🔍
11/05/2024 +84 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2023-20509 (🔍)
GCVE (CVE): GCVE-0-2023-20509
GCVE (VulDB): GCVE-100-274385

Entryinfo

Created: 08/13/2024 19:08
Updated: 11/05/2024 05:51
Changes: 08/13/2024 19:08 (61), 11/05/2024 05:51 (2)
Complete: 🔍
Cache ID: 216::103