Google Chrome prior 88.0.4324.182 on Linux Data Transfer buffer overflow

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$5k-$25k0.00

A vulnerability classified as critical was found in Google Chrome on Linux (Web Browser). Affected by this vulnerability is some unknown processing of the component Data Transfer Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-120. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Stack buffer overflow in Data Transfer in Google Chrome on Linux prior to 88.0.4324.182 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page.

The weakness was released 02/23/2021. The advisory is shared at crbug.com. This vulnerability is known as CVE-2021-21149 since 12/21/2020. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/04/2021). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 88.0.4324.182 eliminates this vulnerability.

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VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

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VulDB Base Score: 🔒
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Exploitinginfoedit

Class: Memory corruption
CWE: CWE-120
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 88.0.4324.182

Timelineinfoedit

12/21/2020 CVE assigned
02/23/2021 +64 days Advisory disclosed
02/23/2021 +0 days VulDB entry created
03/04/2021 +9 days VulDB last update

Sourcesinfoedit

Vendor: https://www.google.com/
Product: https://www.google.com/chrome/

Advisory: crbug.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2021-21149 (🔒)

Entryinfoedit

Created: 02/23/2021 08:07 AM
Updated: 03/04/2021 12:46 PM
Changes: (18) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore vulnerability_cvss2_nvd_basescore vulnerability_cvss3_nvd_basescore
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