Intel CPU BIOS Firmware 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. This affects an unknown part of the component BIOS Firmware Handler. Such manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2021-0153. An attack has to be approached locally. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Intel CPU (Chip Software) (the affected version is unknown). Affected by this issue is an unknown code of the component BIOS Firmware Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was shared 05/13/2022 as intel-sa-00601. The advisory is shared for download at intel.com. This vulnerability is handled as CVE-2021-0153 since 10/22/2020. There are neither technical details nor an exploit publicly 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

10/22/2020 🔍
05/13/2022 +568 days 🔍
05/13/2022 +0 days 🔍
05/15/2022 +2 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00601
Status: Confirmed

CVE: CVE-2021-0153 (🔍)
GCVE (CVE): GCVE-0-2021-0153
GCVE (VulDB): GCVE-100-199784

Entryinfo

Created: 05/13/2022 10:58
Updated: 05/15/2022 17:13
Changes: 05/13/2022 10:58 (39), 05/15/2022 17:13 (1)
Complete: 🔍
Cache ID: 216::103

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