CVE-2016-5142 Information

Description

The Web Cryptography API (aka WebCrypto) implementation in Blink as used in Google Chrome before 52.0.2743.116 does not properly copy data buffers which allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted JavaScript code related to NormalizeAlgorithm.cpp and SubtleCrypto.cpp.

CVSS Vector

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

Reference

http://googlechromereleases.blogspot.com/2016/08/stable-channel-update-for-desktop.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00006.html http://rhn.redhat.com/errata/RHSA-2016-1580.html http://www.debian.org/security/2016/dsa-3645 http://www.securityfocus.com/bid/92276 http://www.securitytracker.com/id/1036547 https://codereview.chromium.org/2141843002/ https://crbug.com/626948 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4KMX62M7UNRLWO4FEQ6YIMPMTKXXJV6A/ https://security.gentoo.org/glsa/201610-09

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8