Vulnerability Name:

CVE-2019-6208 (CCN-156046)

Assigned:2019-01-22
Published:2019-01-22
Updated:2020-08-24
Summary:A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2. A malicious application may cause unexpected changes in memory shared between processes.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/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): None
Integrity (I): High
Availibility (A): None
7.8 High (CCN 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 (CCN 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
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-665
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2019-6208

Source: BID
Type: Third Party Advisory
106695

Source: XF
Type: UNKNOWN
apple-macos-cve20196208-priv-esc(156046)

Source: CCN
Type: Packet Storm Security [01-31-2019]
XNU copy-on-write Behavior Bypass

Source: CCN
Type: Apple security document HT209443
About the security content of iOS 12.1.3

Source: CCN
Type: Apple security document HT209446
About the security content of macOS Mojave 10.14.3, Security Update 2019-001 High Sierra, Security Update 2019-001 Sierra

Source: CCN
Type: Apple security document HT209447
About the security content of tvOS 12.1.2

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT209443

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT209446

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT209447

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [01-31-2019]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory
46296

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 12.1.3)
  • OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.14.3)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 12.1.2)

  • Configuration CCN 1:
  • cpe:/o:apple:macos_sierra:10.12.6:*:*:*:*:*:*:*
  • OR cpe:/o:apple:macos_high_sierra:10.13.6:*:*:*:*:*:*:*
  • OR cpe:/o:apple:macos_mojave:10.14.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:12.1.2:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    apple iphone os *
    apple mac os x *
    apple tv os *
    apple macos sierra 10.12.6
    apple macos sierra 10.13.6
    apple macos mojave 10.14.2
    apple tvos 12.1.1
    apple iphone os 12.1.2