Safari CVE-2018-4113

MEDIUM

Reachable Assertion (CWE-617)

2018-04-03 product-security@apple.com

Denial Of Service Apple Microsoft Canonical Iphone Os Safari Tvos Ubuntu Linux Watchos Webkitgtk Itunes Icloud

6.5

CVSS 3.0 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-617 ASVS 5.0 V16 - Security Logging and Error Handling Reachable assertion handling
Impact	CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 2.2% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

AnalysisAI

An issue was discovered in certain Apple products. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Sign in to check

Technical ContextAI · show details

This vulnerability is classified under CWE-617. 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. Affected products include: Apple Safari, Apple Iphone Os, Apple Tvos, Apple Watchos, Apple Icloud. Version information: before 11.3.

Know when Safari gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 6.5 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

DescriptionNVD

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.

Threat Intelligence Overview

EPSS Score

2.2%

Top 20% exploitable

Data Quality

2 sources

Confidence: Low

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 2.2%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

No

Human Impact· derived

Medium

Priority Score

34

Low Medium High Critical

KEV: 0

EPSS: +2

CVSS: +32

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*

cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*

cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*

More in Safari

View all

CVE-2017-2547 HIGH Act Now POC

An issue was discovered in certain Apple products. Rated high severity (CVSS 8.8), this vulnerability is remotely exploi

CVE-2014-1303 CRITICAL Emergency POC

Heap-based buffer overflow in Apple Safari 7.0.2 allows remote attackers to execute arbitrary code and bypass a sandbox

CVE-2016-4622 HIGH Act Now

WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 allows remote attackers to execute arbitrar

CVE-2015-1155 MEDIUM This Month POC

The history implementation in WebKit, as used in Apple Safari before 6.2.6, 7.x before 7.1.6, and 8.x before 8.0.6, allo

CVE-2015-1126 MEDIUM This Month POC

WebKit, as used in Apple iOS before 8.3 and Apple Safari before 6.2.5, 7.x before 7.1.5, and 8.x before 8.0.5, does not

CVE-2017-2446 HIGH Act Now POC

An issue was discovered in certain Apple products. Rated high severity (CVSS 8.8), this vulnerability is remotely exploi

CVE-2017-13802 HIGH Act Now POC

An issue was discovered in certain Apple products. Rated high severity (CVSS 8.8), this vulnerability is remotely exploi

CVE-2017-13795 HIGH Act Now POC

An issue was discovered in certain Apple products. Rated high severity (CVSS 8.8), this vulnerability is remotely exploi

CVE-2017-13794 HIGH Act Now POC

An issue was discovered in certain Apple products. Rated high severity (CVSS 8.8), this vulnerability is remotely exploi

CVE-2017-13792 HIGH Act Now POC

An issue was discovered in certain Apple products. Rated high severity (CVSS 8.8), this vulnerability is remotely exploi

CVE-2017-13785 HIGH Act Now POC

An issue was discovered in certain Apple products. Rated high severity (CVSS 8.8), this vulnerability is remotely exploi

CVE-2017-13784 HIGH Act Now POC

An issue was discovered in certain Apple products. Rated high severity (CVSS 8.8), this vulnerability is remotely exploi

Same weakness CWE-617 – Reachable Assertion

View all

CVE-2021-27212 HIGH POC

CVE-2025-15684 MEDIUM POC

CVE-2016-8864 HIGH

CVE-2026-27135 HIGH POC

CVE-2020-12417 HIGH POC

CVE-2020-6623 HIGH POC

CVE-2020-6619 HIGH POC

CVE-2020-6617 HIGH POC

Same technique Denial Of Service

View all

CVE-2015-5119 CRITICAL POC

CVE-2011-2462 CRITICAL POC

CVE-2011-0611 HIGH POC

CVE-2012-1889 HIGH POC

CVE-2012-0507 CRITICAL POC

CVE-2014-1761 HIGH POC

CVE-2015-5122 CRITICAL POC

CVE-2011-0609 HIGH POC

References

Advisories & patches

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

Search Externally

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy