Vulnerability Name:

CVE-2016-1721 (CCN-109754)

Assigned:2016-01-19
Published:2016-01-19
Updated:2019-03-22
Summary:The kernel in Apple iOS before 9.2.1, OS X before 10.11.3, and tvOS before 9.1.1 allows local users to gain privileges or cause a denial of service (memory corruption) via unspecified vectors.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.0 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/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): Low
User Interaction (UI): None
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:7.2 High (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
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-119
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2016-1721

Source: APPLE
Type: Mailing List, Vendor Advisory
APPLE-SA-2016-01-19-1

Source: APPLE
Type: Mailing List, Vendor Advisory
APPLE-SA-2016-01-19-2

Source: APPLE
Type: Mailing List, Vendor Advisory
APPLE-SA-2016-01-25-1

Source: APPLE
Type: Mailing List, Vendor Advisory
APPLE-SA-2016-03-21-2

Source: MISC
Type: Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/135444/iOS-OS-X-Kernel-Uninitialized-Variable-Code-Execution.html

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1034736

Source: MISC
Type: Exploit, Third Party Advisory
https://code.google.com/p/google-security-research/issues/detail?id=618

Source: XF
Type: UNKNOWN
appleios-cve20161721-priv-esc(109754)

Source: CCN
Type: Packet Storm Security [01-27-2016]
iOS / OS X Kernel Uninitialized Variable Code Execution

Source: CCN
Type: Apple Web site
About the security content of iOS 9.2.1

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT205729

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT205731

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT205732

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT206168

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [01-28-2016]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
39358

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

  • Configuration 2:
  • cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.11.3)

  • Configuration 3:
  • cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 9.1.1)

  • Configuration 4:
  • cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 2.2)

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

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