Vulnerability Name:

CVE-2018-4241 (CCN-144486)

Assigned:2018-05-29
Published:2018-05-29
Updated:2018-07-17
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 "Kernel" component. A buffer overflow in mptcp_usr_connectx allows attackers to execute arbitrary code in a privileged context via a crafted app.
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: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
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-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-4241

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

Source: MISC
Type: Exploit, Issue Tracking, Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1558

Source: CCN
Type: Google Security Research Issue 1558
XNU kernel heap overflow due to bad bounds checking in MPTCP

Source: XF
Type: UNKNOWN
appleios-cve20184241-bo(144486)

Source: CCN
Type: Packet Storm Security [06-05-2018]
XNU Kernel MPTCP Head Overflow

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 [06-06-2018]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
44849

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

    • Configuration CCN 1:
  • cpe:/o:apple:ios:11.4:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple apple tv *
    apple iphone os *
    apple mac os x *
    apple watchos *
    apple iphone os 11.4