Home/CVE/Use after free in WebAuthentication in Google Chrome prior to 83.0.4103.97 allowed a remote attacker who had compromised
CVE

CVE-2020-6493

Use after free in WebAuthentication in Google Chrome prior to 83.0.4103.97 allowed a remote attacker who had compromised

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.

CRITICAL · CVSS 9.6 EPSS 0.01637
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

4
google chrome< 83.0.4103.97
debian linuxall versions
opensuse backportsall versions
opensuse leapall versions
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighRunning Chrome VPN Extensions via the Registry 2 VPN Extension
productmediumPotential Chrome Frame Helper DLL Sideloading
▣

Scoring & Timeline

9.6
CRITICAL · CVSS v3.1 · chrome-cve-admin@google.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Jun 2020 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
⚑

Vendor Advisories

6
suse-csafopenSUSE-SU-2024:10681-1
suse-csafopenSUSE-SU-2024:12948-1
suse-csafopenSUSE-SU-2020:0832-1
suse-csafopenSUSE-SU-2020:0823-1
rhsaRHSA-2020:2544Important
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.htmlThird Party Advisory
https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop.htmlVendor Advisory
https://crbug.com/1082105Permissions Required
https://security.gentoo.org/glsa/202006-02Third Party Advisory
https://www.debian.org/security/2020/dsa-4714Third Party Advisory
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