CVE-2021-21198

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

Out of bounds read in IPC in Google Chrome prior to 89.0.4389.114 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

References

https://crbug.com/1184399

https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_30.html

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

https://lists.fedoraproject.org/archives/list/[email protected]/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/

https://lists.fedoraproject.org/archives/list/[email protected]/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/

https://lists.fedoraproject.org/archives/list/[email protected]/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/

http://packetstormsecurity.com/files/162973/Chrome-Legacy-ipc-Message-Passed-Via-Shared-Memory.html

Details

Source: MITRE

Published: 2021-04-09

Updated: 2021-06-07

Type: CWE-125

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 7.4

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

Impact Score: 4

Exploitability Score: 2.8

Severity: HIGH

Tenable Plugins

View all (8 total)

IDNameProductFamilySeverity
150114openSUSE Security Update : opera (openSUSE-2021-592)NessusSuSE Local Security Checks
high
149223GLSA-202104-08 : Chromium, Google Chrome: Multiple vulnerabilitiesNessusGentoo Local Security Checks
high
148505FreeBSD : chromium -- multiple vulnerabilities (bddadaa4-9227-11eb-99c5-e09467587c17)NessusFreeBSD Local Security Checks
high
148364Debian DSA-4886-1 : chromium - security updateNessusDebian Local Security Checks
high
148324openSUSE Security Update : chromium (openSUSE-2021-513)NessusSuSE Local Security Checks
high
148298Microsoft Edge (Chromium) < 89.0.774.68 Multiple VulnerabilitiesNessusWindows
high
148243Google Chrome < 89.0.4389.114 Multiple VulnerabilitiesNessusWindows
high
148242Google Chrome < 89.0.4389.114 Multiple VulnerabilitiesNessusMacOS X Local Security Checks
high