CVE-2021-21168: Insufficient policy enforcement in appcache
Published 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
Luan Herrera@@lbherrera_
Affected Software
7 affected componentsFixes available
debian/chromium
90.0.4430.212-1~deb10u1116.0.5845.180-1~deb11u1118.0.5993.70-1~deb11u1116.0.5845.180-1~deb12u1118.0.5993.70-1~deb12u1118.0.5993.70-1
Google Chrome<89.0.4389.72
89.0.4389.72
Google Chrome<89.0.4389.72
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Debian Debian Linux=10.0
Remediation
Patch Available
Event History
Nov 24, 2020
CVE Published
12:00 AM
Mar 9, 2021
CVE Published
via MITRE·05:46 PM
Data Sourced
via MITRE·05:46 PM
DescriptionWeakness
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2021-21159
- CVE-2021-21160
- CVE-2021-21161
- CVE-2021-21162
- CVE-2021-21163
- CVE-2021-21164
- CVE-2021-21165
- CVE-2021-21166
- CVE-2021-21167
- CVE-2021-21169
- CVE-2021-21170
- CVE-2021-21171
- CVE-2021-21172
- CVE-2021-21173
- CVE-2021-21174
- CVE-2021-21175
- CVE-2021-21176
- CVE-2021-21177
- CVE-2021-21178
- CVE-2021-21179
- CVE-2021-21180
- CVE-2020-27844
- CVE-2021-21181
- CVE-2021-21182
- CVE-2021-21183
- CVE-2021-21184
- CVE-2021-21185
- CVE-2021-21186
- CVE-2021-21187
- CVE-2021-21188
- CVE-2021-21189
- CVE-2021-21190
- CVE-2021-21200
Frequently Asked Questions
1
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.
2
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.
3
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.
4
Can CVE-2021-21168 be exploited remotely?
Yes, CVE-2021-21168 allows remote attackers to exploit the vulnerability through crafted HTML pages.
5
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.