CVE-2018-18342 Information

Description

Execution of user supplied Javascript during object deserialization can update object length 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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/106084 https://access.redhat.com/errata/RHSA-2018:3803 https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html https://crbug.com/906313 https://security.gentoo.org/glsa/201908-18 https://www.debian.org/security/2018/dsa-4352

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8