VDB-256597 · CVE-2023-38575 · intel-sa-00982

Intel CPU Return Predictor Target information disclosure

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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Intel CPU. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the component Return Predictor Target Handler. This manipulation causes information disclosure. This vulnerability is tracked as CVE-2023-38575. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability was found in Intel CPU (Chip Software). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component Return Predictor Target Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The weakness was disclosed 03/12/2024 as intel-sa-00982. The advisory is shared at intel.com. This vulnerability is known as CVE-2023-38575. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/19/2024). MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 211574 (Oracle Linux 9 : microcode_ctl (ELSA-2024-9401)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (211574). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

Intel CPU
Citrix Hypervisor

Productinfo

Type

Chip Software

Vendor

Intel

Name

License

commercial

Website

Vendor: https://www.intel.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (Intel Corporation): 🔍

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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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

Nessus ID: 211574
Nessus Name: Oracle Linux 9 : microcode_ctl (ELSA-2024-9401)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/02/2023 🔍
03/12/2024 +223 days 🔍
03/12/2024 +0 days 🔍
11/19/2024 +252 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00982
Status: Confirmed

CVE: CVE-2023-38575 (🔍)
GCVE (CVE): GCVE-0-2023-38575
GCVE (VulDB): GCVE-100-256597

Entryinfo

Created: 03/12/2024 20:13
Updated: 11/19/2024 12:05
Changes: 03/12/2024 20:13 (37), 03/12/2024 20:14 (1), 04/12/2024 16:13 (16), 04/12/2024 16:21 (12), 11/19/2024 12:05 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.