CVE-2020-6493

CWE-416 — Use After Free10 documents8 sources
Severity
9.6CRITICAL
EPSS
1.6%
top 18.08%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Google ChromeDebian Debian LinuxOpensuse Backports+1 more
Timeline
PublishedJun 3
Latest updateMay 24

Description

Use after free in WebAuthentication in Google Chrome prior to 83.0.4103.97 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitability: 2.8 | Impact: 6.0

Affected Packages5 packages

▶CVEListV5google/chromeunspecified — 83.0.4103.97
▶NVDgoogle/chrome< 83.0.4103.97
▶Debianchromium< 83.0.4103.106-1+3
▶NVDopensuse/leap15.1
▶NVDopensuse/backportssle-15

Also affects: Debian Linux 10.0, 9.0

🔴Vulnerability Details

3
GHSA
GHSA-829r-vr8j-237j: Use after free in WebAuthentication in Google Chrome prior to 83↗2022-05-24
▶
CVEList
CVE-2020-6493: Use after free in WebAuthentication in Google Chrome prior to 83↗2020-06-03
▶
OSV
CVE-2020-6493: Use after free in WebAuthentication in Google Chrome prior to 83↗2020-06-03
▶

📋Vendor Advisories

3
Chrome
Stable Channel Update for Desktop: CVE-2020-6493↗2020-06-03
▶
Red Hat
chromium-browser: Use after free in WebAuthentication↗2020-06-03
▶
Debian
CVE-2020-6493: chromium - Use after free in WebAuthentication in Google Chrome prior to 83.0.4103.97 allow...↗2020
▶

💬Community

3
Bugzilla
CVE-2020-6493 CVE-2020-6494 CVE-2020-6495 CVE-2020-6496 chromium: various flaws [epel-all]↗2020-06-05
▶
Bugzilla
CVE-2020-6493 CVE-2020-6494 CVE-2020-6495 CVE-2020-6496 chromium: various flaws [fedora-all]↗2020-06-05
▶
Bugzilla
CVE-2020-6493 chromium-browser: Use after free in WebAuthentication↗2020-06-05
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CVE-2020-6493 (CRITICAL CVSS 9.6) | Use after free in WebAuthentication | cvebase.io