National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-4218 Detail

Current Description

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site that triggers an @generatorState use-after-free.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.8 HIGH
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (V3.0 legend)
Impact Score: 5.9
Exploitability Score: 2.8

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

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securitytracker.com/id/1041029 Third Party Advisory VDB Entry
https://bugs.chromium.org/p/project-zero/issues/detail?id=1553 Exploit Issue Tracking Third Party Advisory
https://security.gentoo.org/glsa/201808-04 Third Party Advisory
https://support.apple.com/HT208848 Vendor Advisory
https://support.apple.com/HT208850 Vendor Advisory
https://support.apple.com/HT208851 Vendor Advisory
https://support.apple.com/HT208852 Vendor Advisory
https://support.apple.com/HT208853 Vendor Advisory
https://support.apple.com/HT208854 Vendor Advisory
https://usn.ubuntu.com/3687-1/ Third Party Advisory
https://www.exploit-db.com/exploits/44861/ Third Party Advisory VDB Entry

Technical Details

Vulnerability Type (View All)

  • Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
11.1.1
 cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
11.4
 cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
11.4
 cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
4.3.1

Configuration 2 ( hide )
 cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
7.5
Running on/with
 cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
12.7.5
Running on/with
 cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)


Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-4218
NVD Published Date:
06/08/2018
NVD Last Modified:
03/08/2019