Home/CVE/Insufficient policy enforcement in WebSockets in Google Chrome prior to 79.0.3945.79 allowed a remote attacker to bypass
CVE

CVE-2019-13727

Insufficient policy enforcement in WebSockets in Google Chrome prior to 79.0.3945.79 allowed a remote attacker to bypass

Insufficient policy enforcement in WebSockets in Google Chrome prior to 79.0.3945.79 allowed a remote attacker to bypass same origin policy via a crafted HTML page.

HIGH · CVSS 8.8 EPSS 0.01281
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-281Improper Preservation of Permissions
▤

Affected Products & Versions

7
google chrome< 79.0.3945.79
debian linuxall versions
fedoraproject fedoraall versions
redhat enterprise linux desktopall versions
redhat enterprise linux for scientific computingall versions
redhat enterprise linux serverall versions
redhat enterprise linux workstationall 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

8.8
HIGH · 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 NVD10 Dec 2019 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

6
suse-csafopenSUSE-SU-2024:10681-1
suse-csafopenSUSE-SU-2024:12948-1
suse-csafopenSUSE-SU-2019:2694-1
suse-csafopenSUSE-SU-2019:2692-1
chrome-releasesCHROME-79.0.3945.79
🔗

References & Sources

8
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/2019-12/msg00032.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00036.htmlBroken Link
https://crbug.com/944619Permissions RequiredVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2Z5M4FPUMDNX2LDPHJKN5ZV5GIS2AKNU/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N5CIQCVS6E3ULJCNU7YJXJPO2BLQZDTK/
https://seclists.org/bugtraq/2020/Jan/27Mailing ListThird Party Advisory
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