Vulnerability Name:

CVE-2018-4237 (CCN-144491)

Assigned:2018-05-29
Published:2018-05-29
Updated:2019-10-03
Summary:An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "libxpc" component. It allows attackers to gain privileges via a crafted app that leverages a logic error.
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)
7.2 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:F/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
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)
7.2 High (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:F/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:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
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-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-4237

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1041027

Source: XF
Type: UNKNOWN
appleios-cve20184237-priv-esc(144491)

Source: CCN
Type: Packet Storm Security [11-28-2018]
Mac OS X libxpc MITM Privilege Escalation

Source: CCN
Type: Apple security document HT208848
About the security content of iOS 11.4

Source: CCN
Type: Apple security document HT208850
About the security content of tvOS 11.4

Source: CCN
Type: Apple security document HT208851
About the security content of watchOS 4.3.1

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208848

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208849

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208850

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208851

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [11-29-2018]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
45916

Source: CCN
Type: ZDI-18-1339
(Pwn2Own) Apple macOS task_set_special_port Port Overwrite Privilege Escalation Vulnerability

Source: CCN
Type: ZDI-18-1339
(Pwn2Own) Apple macOS task_set_special_port Port Overwrite Privilege Escalation Vulnerability

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 11.4)
  • OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.13.5)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 11.4)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 4.3.1)

  • Configuration CCN 1:
  • cpe:/o:apple:ios:11.3:*:*:*:*:*:*:*
  • OR cpe:/o:apple:macos_high_sierra:10.13.4:*:*:*:*:*:*:*
  • OR cpe:/o:apple:watchos:4.3:*:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:11.3:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    apple iphone os *
    apple mac os x *
    apple tvos *
    apple watchos *
    apple ios 11.3
    apple macos high sierra 10.13.4
    apple watchos 4.3.0
    apple tvos 11.3