CVE-2018-18351

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.39%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory gentoo.org
Affected: Google Chrome
Published at:
Updated at:

References

Link Tags
https://crbug.com/833847
https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html
https://access.redhat.com/errata/RHSA-2018:3803 vendor advisory
https://www.debian.org/security/2018/dsa-4352 vendor advisory
http://www.securityfocus.com/bid/106084 vdb entry
https://security.gentoo.org/glsa/201908-18 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-18351?
CVE-2018-18351 has been scored as a medium severity vulnerability.
How to fix CVE-2018-18351?
To fix CVE-2018-18351, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-18351 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-18351 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-18351?
CVE-2018-18351 affects Google Chrome.
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