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CVE-2021-21157 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2021-21157

CVE-2021-21157

HIGH8.8

Use after free in Web Sockets in Google Chrome on Linux prior to 88

Published Feb 22, 2021

Modified 1 years ago

Fix available

Details

Use after free in Web Sockets in Google Chrome on Linux prior to 88.0.4324.182 allowed a remote attacker to potentially exploit heap corruption 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:

88.0.4324.182

References

WEB

https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_16.html

WEB

https://crbug.com/1170657

ADVISORY

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BI6ZIJQYP5DFMYVX4J5OGOU2NQLEZ3SB/

ADVISORY

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/

ADVISORY

https://security.gentoo.org/glsa/202104-08

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2021-21157

CVSS Analysis

CVSS v3.1

8.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

8.8/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/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 22, 2021

ModifiedAug 3, 2024