Vulnerability Name:

CVE-2016-1756 (CCN-111662)

Assigned:2016-03-21
Published:2016-03-21
Updated:2016-12-03
Summary:The kernel in Apple iOS before 9.3 and OS X before 10.11.4 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (NULL pointer dereference) via a crafted app.

CWE-476: NULL Pointer Dereference
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)
6.8 Medium (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:U/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)
7.3 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:U/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-Other
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2016-1756

Source: APPLE
Type: Vendor Advisory
APPLE-SA-2016-03-21-1

Source: APPLE
Type: Vendor Advisory
APPLE-SA-2016-03-21-5

Source: SECTRACK
Type: UNKNOWN
1035353

Source: XF
Type: UNKNOWN
apple-macosx-cve20161756-priv-esc(111662)

Source: CCN
Type: Apple Web site
About the security content of OS X El Capitan v10.11.4 and Security Update 2016-002

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT206166

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT206167

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version <= 9.2.1)
  • OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version <= 10.11.3)

    • Configuration CCN 1:
  • cpe:/o:apple:ios:9.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple iphone os *
    apple mac os x *
    apple iphone os 9.2