vulnwire
7.8high

CVE-2016-18191 exploit

Use-after-free vulnerability in the IOAccelContext2::clientMemoryForType method in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
4.8%
percentile 92%
Public exploits
1
Exploit-DB

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.

Exploit prediction (EPSS)

4.79% probability of exploitation in the next 30 days, higher than 92% of all scored CVEs.

Exploits and detections

  • EDB-39928 Apple Mac OSX Kernel - Use-After-Free Due to Bad Locking in IOAcceleratorFamily2 · dos · 2016-06-10

CVSS scores

Assigned byVersionScoreVector
NVD3.07.8CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.09.3AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness

References

  • support.apple.com /HT206567 · x_refsource_CONFIRM, x_transferred
  • exploit-db.com /exploits/39928/ · exploit, x_refsource_EXPLOIT-DB, x_transferred
  • lists.apple.com /archives/security-announce/2016/May/msg00004.html · vendor-advisory, x_refsource_APPLE, x_transferred
  • support.apple.com /HT206566 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/90694 · vdb-entry, x_refsource_BID, x_transferred
  • lists.apple.com /archives/security-announce/2016/May/msg00003.html · vendor-advisory, x_refsource_APPLE, x_transferred
  • support.apple.com /HT206564 · x_refsource_CONFIRM, x_transferred
  • packetstormsecurity.com /files/137396/OS-X-Kernel-Use-After-Free-From-IOAcceleratorFamily2-Bad-Locking.html · x_refsource_MISC, x_transferred
  • securitytracker.com /id/1035890 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • lists.apple.com /archives/security-announce/2016/May/msg00002.html · vendor-advisory, x_refsource_APPLE, x_transferred
  • bugs.chromium.org /p/project-zero/issues/detail?id=772 · x_refsource_MISC, x_transferred
  • support.apple.com /HT206568 · x_refsource_CONFIRM, x_transferred
  • lists.apple.com /archives/security-announce/2016/May/msg00001.html · vendor-advisory, x_refsource_APPLE, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.