Intel CSME/TXE DAL Subsystem use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Intel CSME and TXE. It has been declared as critical. This impacts an unknown function of the component DAL Subsystem. Executing a manipulation can lead to use after free. This vulnerability is registered as CVE-2020-12303. The attack needs to be launched locally. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Intel CSME and TXE (version now known). This vulnerability affects some unknown processing of the component DAL Subsystem. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 11/12/2020 as intel-sa-00391. The advisory is shared for download at intel.com. This vulnerability was named CVE-2020-12303. The exploitation appears to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

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Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Use after free
CWE: CWE-416 / CWE-119
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/28/2020 🔍
11/12/2020 +198 days 🔍
11/12/2020 +0 days 🔍
12/06/2020 +24 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00391
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-12303 (🔍)
GCVE (CVE): GCVE-0-2020-12303
GCVE (VulDB): GCVE-100-164800

Entryinfo

Created: 11/12/2020 21:10
Updated: 12/06/2020 07:38
Changes: 11/12/2020 21:10 (37), 12/06/2020 07:36 (3), 12/06/2020 07:38 (18)
Complete: 🔍
Cache ID: 216::103

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