Intel CPU BIOS Authenticated Code out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Intel CPU and classified as critical. Impacted is an unknown function of the component BIOS Authenticated Code Module. Executing a manipulation can lead to out-of-bounds write. This vulnerability appears as CVE-2021-33124. The attack requires local access. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Intel CPU (Chip Software) (the affected version is unknown). It has been declared as critical. This vulnerability affects an unknown code of the component BIOS Authenticated Code Module. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 05/13/2022 as intel-sa-00601. The advisory is available at intel.com. This vulnerability was named CVE-2021-33124 since 05/18/2021. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

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

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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

05/18/2021 🔍
05/13/2022 +360 days 🔍
05/13/2022 +0 days 🔍
05/16/2022 +3 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00601
Status: Confirmed

CVE: CVE-2021-33124 (🔍)
GCVE (CVE): GCVE-0-2021-33124
GCVE (VulDB): GCVE-100-199798

Entryinfo

Created: 05/13/2022 12:06
Updated: 05/16/2022 07:58
Changes: 05/13/2022 12:06 (39), 05/16/2022 07:58 (1)
Complete: 🔍
Cache ID: 216::103

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