Intel CPU Data Cache 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 (≈)
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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-$5k0.00

Summaryinfo

A vulnerability has been found in Intel CPU and classified as problematic. This vulnerability affects unknown code of the component Data Cache Handler. The manipulation leads to information disclosure. This vulnerability is referenced as CVE-2020-0550. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in Intel CPU (Chip Software) (the affected version unknown) and classified as problematic. This issue affects an unknown part of the component Data Cache Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

Improper data forwarding in some data cache for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. The list of affected products is provided in intel-sa-00330: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00330.html

The weakness was published 03/12/2020 (Website). The advisory is shared at intel.com. The identification of this vulnerability is CVE-2020-0550 since 10/28/2019. An attack has to be approached locally. A simple authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

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

Similar entry is available at VDB-151386. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

License

Website

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: 🔍

NVD Base Score: 5.6
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/28/2019 🔍
03/12/2020 +136 days 🔍
03/13/2020 +1 days 🔍
03/13/2020 +0 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel.com
Status: Not defined

CVE: CVE-2020-0550 (🔍)
GCVE (CVE): GCVE-0-2020-0550
GCVE (VulDB): GCVE-100-151385
See also: 🔍

Entryinfo

Created: 03/13/2020 14:25
Updated: 03/13/2020 14:30
Changes: 03/13/2020 14:25 (38), 03/13/2020 14:30 (18)
Complete: 🔍
Cache ID: 216::103

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

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