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CVE-2021-21121 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2021-21121

CVE-2021-21121

CRITICAL9.6

Use after free in Omnibox in Google Chrome on Linux prior to 88

Published Feb 9, 2021

Modified 1 years ago

Fix available

Details

Use after free in Omnibox in Google Chrome on Linux prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

Affected Packages

Google Chrome

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

88.0.4324.96

References

WEB

https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html

WEB

https://crbug.com/1161143

WEB

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21121

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2021-21121

CVSS Analysis

CVSS v3.1

9.6

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

ChangedS:C

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

9.6/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Ecosystems(20)

Windows 10 (1507)Windows 10 (1607) / Server 2016 Windows 10 (1809) / Server 2019 Windows 10 (1903)Windows 10 (1909)

Timeline

PublishedFeb 9, 2021

ModifiedAug 3, 2024