CVE-2016-1819
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 4.79% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- apple/tvos · apple/iphone os · apple/mac os x · apple/watchos
- Source
- product-security@apple.com
References
- http://lists.apple.com/archives/security-announce/2016/May/msg00001.htmlMailing List, Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00002.htmlMailing List, Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00003.htmlMailing List, Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00004.htmlMailing List, Vendor Advisory
- http://packetstormsecurity.com/files/137396/OS-X-Kernel-Use-After-Free-From-IOAcceleratorFamily2-Bad-Locking.htmlThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/90694Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1035890Third Party Advisory, VDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=772Exploit, Third Party Advisory
- https://support.apple.com/HT206564Vendor Advisory
- https://support.apple.com/HT206566Vendor Advisory
- https://support.apple.com/HT206567Vendor Advisory
- https://support.apple.com/HT206568Vendor Advisory
- https://www.exploit-db.com/exploits/39928/Exploit, Third Party Advisory, VDB Entry
- http://lists.apple.com/archives/security-announce/2016/May/msg00001.htmlMailing List, Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00002.htmlMailing List, Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00003.htmlMailing List, Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00004.htmlMailing List, Vendor Advisory
- http://packetstormsecurity.com/files/137396/OS-X-Kernel-Use-After-Free-From-IOAcceleratorFamily2-Bad-Locking.htmlThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/90694Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1035890Third Party Advisory, VDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=772Exploit, Third Party Advisory
- https://support.apple.com/HT206564Vendor Advisory
- https://support.apple.com/HT206566Vendor Advisory
- https://support.apple.com/HT206567Vendor Advisory
- https://support.apple.com/HT206568Vendor Advisory
- https://www.exploit-db.com/exploits/39928/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.