Google Fuchsia up to 4.0 Memory Cache Invalidation integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Fuchsia up to 4.0. This affects an unknown function of the component Memory Cache Invalidation. The manipulation leads to integer overflow. This vulnerability is traded as CVE-2021-22556. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Fuchsia up to 4.0. It has been rated as critical. This issue affects an unknown functionality of the component Memory Cache Invalidation. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability.

The weakness was shared 05/03/2022. It is possible to read the advisory at fuchsia-review.googlesource.com. The identification of this vulnerability is CVE-2021-22556 since 01/05/2021. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 4.1 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (Google Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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: 🔍

Upgrade: Fuchsia 4.1

Timelineinfo

01/05/2021 🔍
05/03/2022 +482 days 🔍
05/03/2022 +0 days 🔍
05/05/2022 +2 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: fuchsia-review.googlesource.com
Status: Confirmed

CVE: CVE-2021-22556 (🔍)
GCVE (CVE): GCVE-0-2021-22556
GCVE (VulDB): GCVE-100-198899

Entryinfo

Created: 05/03/2022 22:53
Updated: 05/05/2022 14:55
Changes: 05/03/2022 22:53 (49), 05/05/2022 14:52 (1), 05/05/2022 14:55 (1)
Complete: 🔍
Cache ID: 216::103

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