medium
6.5
Advisory Published
CVE Published
Updated

CVE-2021-21168: Insufficient policy enforcement in appcache

First published: Tue Nov 24 2020(Updated: )

Insufficient policy enforcement in appcache in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.

Credit: chrome-cve-admin@google.com Luan Herrera @lbherrera_

Affected SoftwareAffected VersionHow to fix
debian/chromium
90.0.4430.212-1~deb10u1
116.0.5845.180-1~deb11u1
118.0.5993.70-1~deb11u1
116.0.5845.180-1~deb12u1
118.0.5993.70-1~deb12u1
118.0.5993.70-1
Google Chrome (Trace Event)<89.0.4389.72
89.0.4389.72
Google Chrome (Trace Event)<89.0.4389.72
Fedora=32
Fedora=33
Fedora=34
Debian=10.0

Remedy

https://crbug.com/1152226

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of CVE-2021-21168?

    CVE-2021-21168 is categorized as a high severity vulnerability due to its potential for information disclosure.

  • How do I fix CVE-2021-21168?

    To mitigate CVE-2021-21168, update Google Chrome or Chromium to version 90.0.4430.212 or later.

  • Which versions of Google Chrome are affected by CVE-2021-21168?

    Google Chrome versions prior to 89.0.4389.72 are affected by CVE-2021-21168.

  • Can CVE-2021-21168 be exploited remotely?

    Yes, CVE-2021-21168 allows remote attackers to exploit the vulnerability through crafted HTML pages.

  • What type of information can be leaked due to CVE-2021-21168?

    CVE-2021-21168 may allow attackers to obtain sensitive information from the process memory.

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