CVE-2018-4121

8.8

HIGH

Apple WebKit Remote Code Execution DoS

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 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.

INFO

Published Date :

April 3, 2018, 6:29 a.m.

Last Modified :

March 8, 2019, 4:06 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8 Public PoC/Exploit Available at Github

CVE-2018-4121 has a 10 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2018-4121 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID	Vendor	Product
1	Apple	itunes
2	Apple	iphone_os
3	Apple	tvos
4	Apple	watchos
5	Apple	safari
6	Apple	icloud

: Total Affected Vendor : 1 | Products : 6

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-4121.

URL	Resource
http://www.securitytracker.com/id/1040604	Third Party Advisory VDB Entry
https://github.com/mwrlabs/CVE-2018-4121	Exploit Third Party Advisory
https://security.gentoo.org/glsa/201808-04	Third Party Advisory
https://support.apple.com/HT208693	Vendor Advisory
https://support.apple.com/HT208694	Vendor Advisory
https://support.apple.com/HT208695	Vendor Advisory
https://support.apple.com/HT208696	Vendor Advisory
https://support.apple.com/HT208697	Vendor Advisory
https://support.apple.com/HT208698	Vendor Advisory
https://www.exploit-db.com/exploits/44427/	Exploit Third Party Advisory VDB Entry

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

lnick2023/nicenice

None

Updated: 1 year, 10 months ago

0 stars 0 fork 0 watcher

Born at : Jan. 11, 2023, 1:21 p.m. This repo has been linked 1042 different CVEs too.

developer3000S/PoC-in-GitHub

None

Updated: 8 months, 2 weeks ago

33 stars 3 fork 3 watcher

Born at : March 12, 2021, 12:22 p.m. This repo has been linked 1063 different CVEs too.

hectorgie/PoC-in-GitHub

None

Updated: 1 year, 3 months ago

17 stars 10 fork 10 watcher

Born at : Jan. 2, 2021, 10:19 p.m. This repo has been linked 1050 different CVEs too.

0xT11/CVE-POC

None

Updated: 3 months ago

82 stars 32 fork 32 watcher

Born at : Oct. 2, 2020, 2:49 p.m. This repo has been linked 1111 different CVEs too.

xbl3/awesome-cve-poc_qazbnm456

None

Updated: 3 months, 1 week ago

13 stars 4 fork 4 watcher

Born at : May 25, 2020, 7:51 a.m. This repo has been linked 1027 different CVEs too.

IMULMUL/WebAssemblyCVE

WebAssembly CVEs in JavascriptCore, V8, Spidermonkey

Updated: 3 years ago

0 stars 0 fork 0 watcher

Born at : Aug. 17, 2019, 3:42 p.m. This repo has been linked 13 different CVEs too.

jezzus/CVE-2018-4121

None

Objective-C HTML JavaScript Python

Updated: 6 years, 2 months ago

0 stars 0 fork 0 watcher

Born at : Sept. 6, 2018, 11:55 p.m. This repo has been linked 1 different CVEs too.

likescam/CVE-2018-4121

None

Objective-C HTML JavaScript Python

Updated: 6 years, 4 months ago

0 stars 0 fork 0 watcher

Born at : July 17, 2018, 4:15 p.m. This repo has been linked 1 different CVEs too.

FSecureLABS/CVE-2018-4121

macOS 10.13.3 (17D47) Safari Wasm Exploit

Objective-C HTML JavaScript Python

Updated: 3 months, 1 week ago

119 stars 26 fork 26 watcher

Born at : April 19, 2018, 8:33 a.m. This repo has been linked 1 different CVEs too.

qazbnm456/awesome-cve-poc

✍️ A curated list of CVE PoCs.

awesome cve poc

Updated: 2 months, 2 weeks ago

3289 stars 678 fork 678 watcher

Born at : Feb. 2, 2017, 6:43 a.m. This repo has been linked 1042 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-4121 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-4121 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

CVE Modified by [email protected]

May. 14, 2024

Action	Type	Old Value	New Value

CPE Deprecation Remap by [email protected]

Mar. 08, 2019

Action	Type	Old Value	New Value
Changed	CPE Configuration	OR cpe:2.3:a:apple:apple_tv::::::::* versions from (excluding) 11.3	OR cpe:2.3:o:apple:tvos::::::::* versions from (excluding) 11.3

Modified Analysis by [email protected]

Mar. 07, 2019

Action	Type	Old Value	New Value
Changed	Reference Type	https://security.gentoo.org/glsa/201808-04 No Types Assigned	https://security.gentoo.org/glsa/201808-04 Third Party Advisory
Changed	CPE Configuration	OR cpe:2.3:a:apple:apple_tv::::::::* versions up to (excluding) 11.3 cpe:2.3:a:apple:safari::::::::* versions up to (excluding) 11.1 cpe:2.3:o:apple:iphone_os::::::::* versions up to (excluding) 11.3 cpe:2.3:o:apple:watchos::::::::* versions up to (excluding) 4.3	OR cpe:2.3:a:apple:safari::::::::* versions up to (excluding) 11.1 cpe:2.3:o:apple:iphone_os::::::::* versions up to (excluding) 11.3 cpe:2.3:o:apple:tvos::::::::* versions up to (excluding) 11.3 cpe:2.3:o:apple:watchos::::::::* versions up to (excluding) 4.3

CVE Modified by [email protected]

Oct. 21, 2018

Action	Type	Old Value	New Value
Added	Reference		https://security.gentoo.org/glsa/201808-04 [No Types Assigned]

Initial Analysis by [email protected]

Apr. 27, 2018

Action	Type	Old Value	New Value
Added	CVSS V2 Metadata		Victim must voluntarily interact with attack mechanism
Added	CVSS V2		(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Added	CVSS V3		AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Changed	Reference Type	https://support.apple.com/HT208695 No Types Assigned	https://support.apple.com/HT208695 Vendor Advisory
Changed	Reference Type	https://support.apple.com/HT208696 No Types Assigned	https://support.apple.com/HT208696 Vendor Advisory
Changed	Reference Type	https://support.apple.com/HT208697 No Types Assigned	https://support.apple.com/HT208697 Vendor Advisory
Changed	Reference Type	https://support.apple.com/HT208698 No Types Assigned	https://support.apple.com/HT208698 Vendor Advisory
Changed	Reference Type	https://support.apple.com/HT208693 No Types Assigned	https://support.apple.com/HT208693 Vendor Advisory
Changed	Reference Type	https://support.apple.com/HT208694 No Types Assigned	https://support.apple.com/HT208694 Vendor Advisory
Changed	Reference Type	https://github.com/mwrlabs/CVE-2018-4121 No Types Assigned	https://github.com/mwrlabs/CVE-2018-4121 Exploit, Third Party Advisory
Changed	Reference Type	https://www.exploit-db.com/exploits/44427/ No Types Assigned	https://www.exploit-db.com/exploits/44427/ Exploit, Third Party Advisory, VDB Entry
Changed	Reference Type	http://www.securitytracker.com/id/1040604 No Types Assigned	http://www.securitytracker.com/id/1040604 Third Party Advisory, VDB Entry
Added	CWE		CWE-119
Added	CPE Configuration		OR cpe:2.3:a:apple:apple_tv::::::::* versions up to (excluding) 11.3 cpe:2.3:a:apple:safari::::::::* versions up to (excluding) 11.1 cpe:2.3:o:apple:iphone_os::::::::* versions up to (excluding) 11.3 cpe:2.3:o:apple:watchos::::::::* versions up to (excluding) 4.3
Added	CPE Configuration		AND OR cpe:2.3:a:apple:icloud::::::::* versions up to (excluding) 7.4 OR cpe:2.3:o:microsoft:windows:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:a:apple:itunes::::::::* versions up to (excluding) 12.7.4 OR cpe:2.3:o:microsoft:windows:-:::::::*

CVE Modified by [email protected]

Apr. 21, 2018

Action	Type	Old Value	New Value
Added	Reference		https://github.com/mwrlabs/CVE-2018-4121 [No Types Assigned]

CVE Modified by [email protected]

Apr. 12, 2018

Action	Type	Old Value	New Value
Added	Reference		https://www.exploit-db.com/exploits/44427/ [No Types Assigned]

CVE Modified by [email protected]

Apr. 04, 2018

Action	Type	Old Value	New Value
Added	Reference		http://www.securitytracker.com/id/1040604 [No Types Assigned]

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-4121 is associated with the following CWEs:

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-4121 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation

CVE-2018-4121

Apple WebKit Remote Code Execution DoS

Description

INFO

April 3, 2018, 6:29 a.m.

March 8, 2019, 4:06 p.m.

Yes !

5.9

2.8

Public PoC/Exploit Available at Github

Affected Products

References to Advisories, Solutions, and Tools

CVE Modified by [email protected]

CPE Deprecation Remap by [email protected]

Modified Analysis by [email protected]

CVE Modified by [email protected]

Initial Analysis by [email protected]

CVE Modified by [email protected]

CVE Modified by [email protected]

CVE Modified by [email protected]

CWE - Common Weakness Enumeration

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

17.62 }} 1.23%

0.96221

CVSS30 - Vulnerability Scoring System

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