CVE-2018-17480

HIGH severity · CVSS 8.8 · Out-of-bounds write · actively exploited (CISA KEV)

8.8CVSS HIGH ● exploited

🔴 Actively exploited in the wild (CISA Known Exploited Vulnerabilities). Added to KEV 2022-06-08. US federal agencies must patch by 2022-06-22.

Summary

Execution of user supplied Javascript during array deserialization leading to an out of bounds write in V8 in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionRequired

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Exploit probability (EPSS)30%

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products we track (1)

Google Chrome

Recommendation

This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.

Additional information

NVD record
https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.htmlAdvisory
http://www.securityfocus.com/bid/106084Advisory
https://access.redhat.com/errata/RHSA-2018:3803Advisory
https://security.gentoo.org/glsa/201908-18Advisory
https://www.debian.org/security/2018/dsa-4352Advisory
http://www.securityfocus.com/bid/106084Advisory
https://access.redhat.com/errata/RHSA-2018:3803Advisory
https://crbug.com/905940Exploit