Vulnerability CVE-2021-21129: Information

Description

Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.

Severity: MEDIUM (6.5) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

URL: https://nvd.nist.gov/vuln/detail/CVE-2021-21129
Published: Feb. 9, 2021
Modified: July 12, 2022

Fixed packages

Package name
Branch
Fixed in version
Version from repository
Errata ID
Task #
State
chromiumsisyphus88.0.4324.96-alt1125.0.6422.141-alt1ALT-PU-2021-1146-1265250Fixed
chromiump1088.0.4324.96-alt1119.0.6045.159-alt0.p10.1ALT-PU-2021-1146-1265250Fixed
chromiump988.0.4324.96-alt0.1.p997.0.4692.99-alt0.p9.1ALT-PU-2021-1198-1265327Fixed
chromiumc10f188.0.4324.96-alt1110.0.5481.177-alt1.p10.1ALT-PU-2021-1146-1265250Fixed
chromiump1188.0.4324.96-alt1125.0.6422.141-alt1ALT-PU-2021-1146-1265250Fixed
chromium-gostsisyphus88.0.4324.96-alt1124.0.6367.78-alt1ALT-PU-2021-1179-1265419Fixed
chromium-gostp1088.0.4324.96-alt1110.0.5481.177-alt1.p10.1ALT-PU-2021-1179-1265419Fixed
chromium-gostp988.0.4324.96-alt0.1.p996.0.4664.45-alt2.p9.1ALT-PU-2021-1210-1265329Fixed
chromium-gostc10f188.0.4324.96-alt1110.0.5481.177-alt1.p10.1ALT-PU-2021-1179-1265419Fixed
chromium-gostc9f288.0.4324.150-alt0.1.c996.0.4664.45-alt2.c9.1ALT-PU-2021-1379-1265372Fixed
chromium-gostp1188.0.4324.96-alt1124.0.6367.78-alt1ALT-PU-2021-1179-1265419Fixed

References to Advisories, Solutions, and Tools

Hyperlink
Resource
https://crbug.com/1140403
  • Permissions Required
  • Third Party Advisory
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
  • Release Notes
  • Vendor Advisory
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21129
  • Third Party Advisory

    1. Configuration 1

      cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
      End excliding
      88.0.4324.96
      cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
      End excliding
      88.0.705.50
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