Vulnerability Name:

CVE-2018-4166 (CCN-141158)

Assigned:2018-03-29
Published:2018-03-29
Updated:2019-10-03
Summary:An issue was discovered in certain Apple products. iOS before 11.3 is affected. macOS before 10.13.4 is affected. tvOS before 11.3 is affected. watchOS before 4.3 is affected. The issue involves the "NSURLSession" component. A race condition allows attackers to execute arbitrary code in a privileged context via a crafted app.
CVSS v3 Severity:7.0 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.1 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/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): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
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:7.6 High (CVSS v2 Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
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-362
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2018-4166

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1040604

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1040608

Source: XF
Type: UNKNOWN
apple-macos-cve20184166-priv-esc(141158)

Source: CCN
Type: Apple security document HT208692
About the security content of macOS High Sierra 10.13.4, Security Update 2018-002 Sierra, and Security Update 2018-002 El Capitan

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208692

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208693

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208696

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208698

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 11.3)
  • OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.13.4)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 11.3)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 4.3)

    • Configuration CCN 1:
  • cpe:/o:apple:macos_sierra:10.12.6:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple iphone os *
    apple mac os x *
    apple tvos *
    apple watchos *
    apple macos sierra 10.12.6