SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-18351

Lack of proper validation of ancestor frames site when sending lax cookies in Navigation in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to bypass SameSite cookie policy via a crafted HTML page.

MEDIUM 6.5EPSS 2.55%

Does this matter?

Lower severity and a low EPSS score (2.55%). Track it; it rarely justifies an emergency change on its own.

Description

Lack of proper validation of ancestor frames site when sending lax cookies in Navigation in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to bypass SameSite cookie policy via a crafted HTML page.

CVSS 3.0
6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
2.55% probability · 84th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
google/chrome · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation · debian/debian linux
Source
chrome-cve-admin@google.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.