Vulnerability CVE-2018-4142

Vulnerability Name:

CVE-2018-4142 (CCN-141179)

Assigned:

2018-03-29

Published:

2018-03-29

Updated:

2019-03-08

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 "CoreText" component. It allows remote attackers to cause a denial of service (application crash) via a crafted string.

CVSS v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

CWE-20

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2018-4142

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

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

Source: XF
Type: UNKNOWN
apple-macos-cve20184142-dos(141179)

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)

Denotes that component is vulnerable

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