HOMEVULNERABILITIESCVE-2018-4113
MEDIUM

CVE-2018-4113

CWE-617Published: April 3, 2018· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official Description

An issue was discovered in certain Apple products. iOS before 11.3 is affected. Safari before 11.1 is affected. iCloud before 7.4 on Windows is affected. iTunes before 12.7.4 on Windows is affected. tvOS before 11.3 is affected. watchOS before 4.3 is affected. The issue involves a JavaScriptCore function in the "WebKit" component. It allows attackers to trigger an assertion failure by leveraging improper array indexing.

NVD Source

Technical Analysis

CVE-2018-4113 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Vendors & Products

Apple6 product(s)
safariiphone ostvoswatchosiclouditunes
Canonical1 product(s)
ubuntu linux
Microsoft1 product(s)
windows
webkitgtk1 product(s)
webkitgtk\+
Source: NVD CPE · 10 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securitytracker.com/id/1040604
ADVISORYhttps://security.gentoo.org/glsa/201808-04
ADVISORYhttps://support.apple.com/HT208693
ADVISORYhttps://support.apple.com/HT208694
ADVISORYhttps://support.apple.com/HT208695
ADVISORYhttps://support.apple.com/HT208696
ADVISORYhttps://support.apple.com/HT208697
ADVISORYhttps://support.apple.com/HT208698
ADVISORYhttps://usn.ubuntu.com/3635-1/
ADVISORYhttp://www.securitytracker.com/id/1040604
ADVISORYhttps://security.gentoo.org/glsa/201808-04
ADVISORYhttps://support.apple.com/HT208693
ADVISORYhttps://support.apple.com/HT208694
ADVISORYhttps://support.apple.com/HT208695
ADVISORYhttps://support.apple.com/HT208696
ADVISORYhttps://support.apple.com/HT208697
ADVISORYhttps://support.apple.com/HT208698
ADVISORYhttps://usn.ubuntu.com/3635-1/

All References (18)

→
http://www.securitytracker.com/id/1040604Third Party Advisory · VDB Entry
→
https://security.gentoo.org/glsa/201808-04Third Party Advisory
→
https://support.apple.com/HT208693Vendor Advisory
→
https://support.apple.com/HT208694Vendor Advisory
→
https://support.apple.com/HT208695Vendor Advisory
→
https://support.apple.com/HT208696Vendor Advisory
→
https://support.apple.com/HT208697Vendor Advisory
→
https://support.apple.com/HT208698Vendor Advisory
→
https://usn.ubuntu.com/3635-1/Third Party Advisory
→
http://www.securitytracker.com/id/1040604Third Party Advisory · VDB Entry
→
https://security.gentoo.org/glsa/201808-04Third Party Advisory
→
https://support.apple.com/HT208693Vendor Advisory
→
https://support.apple.com/HT208694Vendor Advisory
→
https://support.apple.com/HT208695Vendor Advisory
→
https://support.apple.com/HT208696Vendor Advisory

Quick Facts

CVE IDCVE-2018-4113
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-617
CISA KEVNo
Affected4 vendor(s)
PublishedApr 3, 2018

Related CVEs (CWE-617)

CVE-2019-9795
9.8
CVE-2020-3615
9.8
CVE-2020-6623
8.8
CVE-2020-6619
8.8
CVE-2020-6617
8.8
CVE-2020-12417
8.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-4113 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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