Home/CVE/Inappropriate implementation in external protocol handlers in Google Chrome prior to 84.0.4147.89 allowed a remote attac
CVE

CVE-2020-6522

Inappropriate implementation in external protocol handlers in Google Chrome prior to 84.0.4147.89 allowed a remote attac

Inappropriate implementation in external protocol handlers in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

CRITICAL · CVSS 9.6 EPSS 0.02277
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
▤

Affected Products & Versions

5
google chrome< 84.0.4147.89
opensuse backports sleall versions
debian linuxall versions
fedoraproject fedoraall 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 NVD22 Jul 2020 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
⚑

Vendor Advisories

10
suse-csafopenSUSE-SU-2024:10681-1
suse-csafopenSUSE-SU-2024:12948-1
suse-csafopenSUSE-SU-2020:1172-1
suse-csafopenSUSE-SU-2020:1148-1
rhsaRHSA-2020:3377Important
🔗

References & Sources

9
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/2020-07/msg00069.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00007.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00018.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00041.htmlMailing ListThird Party Advisory
https://crbug.com/1052093Permissions RequiredVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTRPPTKZ2RKVH2XGQCWNFZ7FOGQ5LLCA/
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