CVE-2016-1819 Information

Description

Use-after-free vulnerability in the IOAccelContext2::clientMemoryForType method in Apple iOS before 9.3.2 OS X before 10.11.5 tvOS before 9.2.1 and watchOS before 2.2.1 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app a different vulnerability than CVE-2016-1817 and CVE-2016-1818.

CVSS Vector

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

Reference

http://lists.apple.com/archives/security-announce/2016/May/msg00001.html http://lists.apple.com/archives/security-announce/2016/May/msg00002.html http://lists.apple.com/archives/security-announce/2016/May/msg00003.html http://lists.apple.com/archives/security-announce/2016/May/msg00004.html http://packetstormsecurity.com/files/137396/OS-X-Kernel-Use-After-Free-From-IOAcceleratorFamily2-Bad-Locking.html http://www.securityfocus.com/bid/90694 http://www.securitytracker.com/id/1035890 https://bugs.chromium.org/p/project-zero/issues/detail?id=772 https://support.apple.com/HT206564 https://support.apple.com/HT206566 https://support.apple.com/HT206567 https://support.apple.com/HT206568 https://www.exploit-db.com/exploits/39928/

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

7.8