Vulnerability CVE-2018-4092

Vulnerability Name:

CVE-2018-4092 (CCN-138270)

Assigned:

2018-01-23

Published:

2018-01-23

Updated:

2018-05-04

Summary:

An issue was discovered in certain Apple products. iOS before 11.2.5 is affected. macOS before 10.13.3 is affected. tvOS before 11.2.5 is affected. watchOS before 4.2.2 is affected. The issue involves the "Kernel" component. A race condition allows attackers to bypass intended memory-read restrictions via a crafted app.

CVSS v3 Severity:

4.7 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N)
4.1 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/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): None Availibility (A): None

5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/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): High Integrity (I): None Availibility (A): None

CVSS v2 Severity:

2.6 Low (CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:N/A:N)

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

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

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

Vulnerability Type:

CWE-362

Vulnerability Consequences:

Obtain Information

References:

Source: MITRE
Type: CNA
CVE-2018-4092

Source: BID
Type: Third Party Advisory, VDB Entry
102782

Source: CCN
Type: BID-102782
Apple iOS/WatchOS/tvOS/macOS Multiple Security Vulnerabilities

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1040265

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1040267

Source: XF
Type: UNKNOWN
apple-macos-cve20184092-info-disc(138270)

Source: CCN
Type: Apple security document HT208462
About the security content of tvOS 11.2.5

Source: CCN
Type: Apple security document HT208465
About the security content of macOS High Sierra 10.13.3, Security Update 2018-001 Sierra, and Security Update 2018-001 El Capitan

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208462

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208463

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208464

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208465

Vulnerable Configuration:

Configuration 1:

cpe:/h:apple:tv:*:*:*:*:*:*:*:* (Version < 11.2.5)

OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 11.2.5)

OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.13.3)

OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 4.2.2)

Denotes that component is vulnerable

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