CVE-2021-30629

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

Use after free in Permissions in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.

References

https://crbug.com/1243646

https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/

https://lists.fedoraproject.org/archives/list/[email protected]/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/

Details

Source: MITRE

Published: 2021-10-08

Updated: 2021-11-23

Type: CWE-416

Risk Information

CVSS v2

Base Score: 6.8

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

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 8.8

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

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH

Tenable Plugins

View all (7 total)

IDNameProductFamilySeverity
153875openSUSE 15 Security Update : opera (openSUSE-SU-2021:1330-1)NessusSuSE Local Security Checks
critical
153578openSUSE 15 Security Update : chromium (openSUSE-SU-2021:1303-1)NessusSuSE Local Security Checks
high
153533openSUSE 15 Security Update : chromium (openSUSE-SU-2021:1300-1)NessusSuSE Local Security Checks
high
153450Microsoft Edge (Chromium) < 93.0.961.52 Multiple VulnerabilitiesNessusWindows
critical
153396FreeBSD : chromium -- multiple vulnerabilities (47b571f2-157b-11ec-ae98-704d7b472482)NessusFreeBSD Local Security Checks
critical
153255Google Chrome < 93.0.4577.82 Multiple VulnerabilitiesNessusWindows
critical
153254Google Chrome < 93.0.4577.82 Multiple VulnerabilitiesNessusMacOS X Local Security Checks
critical