Vulnerability Name:

CVE-2016-1819 (CCN-113317)

Assigned:2016-05-16
Published:2016-05-16
Updated:2019-03-25
Summary: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 v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.0 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.6 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-416
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2016-1819

Source: APPLE
Type: Mailing List, Vendor Advisory
APPLE-SA-2016-05-16-1

Source: APPLE
Type: Mailing List, Vendor Advisory
APPLE-SA-2016-05-16-2

Source: APPLE
Type: Mailing List, Vendor Advisory
APPLE-SA-2016-05-16-3

Source: APPLE
Type: Mailing List, Vendor Advisory
APPLE-SA-2016-05-16-4

Source: MISC
Type: Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/137396/OS-X-Kernel-Use-After-Free-From-IOAcceleratorFamily2-Bad-Locking.html

Source: BID
Type: Third Party Advisory, VDB Entry
90694

Source: CCN
Type: BID-90694
Apple Mac OS X/watchOS/iOS Multiple Security Vulnerabilities

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1035890

Source: MISC
Type: Exploit, Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=772

Source: XF
Type: UNKNOWN
apple-ios-cve20161819-priv-esc(113317)

Source: CCN
Type: Packet Storm Security [06-09-2016]
OS X Kernel Use-After-Free From IOAcceleratorFamily2 Bad Locking

Source: CCN
Type: Apple Web site
About the security content of iOS 9.3.2

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT206564

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT206566

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT206567

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT206568

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [06-10-2016]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
39928

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 9.2.1)

  • Configuration 2:
  • cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 9.3.2)

  • Configuration 3:
  • cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.11.5)

  • Configuration 4:
  • cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 2.2.1)

  • Configuration CCN 1:
  • cpe:/o:apple:ios:9.3:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    apple tvos *
    apple iphone os *
    apple mac os x *
    apple watchos *
    apple iphone os 9.3