CVE-2016-5161 Information

Description

The EditingStyle::mergeStyle function in WebKit/Source/core/editing/EditingStyle.cpp in Blink as used in Google Chrome before 53.0.2785.89 on Windows and OS X and before 53.0.2785.92 on Linux mishandles custom properties which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted web site that leverages \type confusion\ in the StylePropertySerializer class.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00008.html http://lists.opensuse.org/opensuse-updates/2016-09/msg00073.html http://rhn.redhat.com/errata/RHSA-2016-1854.html http://www.debian.org/security/2016/dsa-3660 http://www.securityfocus.com/bid/92717 http://www.securitytracker.com/id/1036729 http://zerodayinitiative.com/advisories/ZDI-16-501/ https://codereview.chromium.org/2103043004 https://crbug.com/622420 https://googlechromereleases.blogspot.com/2016/08/stable-channel-update-for-desktop_31.html https://security.gentoo.org/glsa/201610-09

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