Apple Safari up to 11.1.0 WebKit out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Apple Safari up to 11.1.0. The affected element is an unknown function of the component WebKit. Executing a manipulation can lead to out-of-bounds. This vulnerability is tracked as CVE-2018-4222. The attack can be launched remotely. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple Safari up to 11.1.0 (Web Browser). It has been declared as critical. This vulnerability affects an unknown function of the component WebKit. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 06/01/2018. The weakness was disclosed 06/01/2018 by Natalie Silvanovich with Google Project Zero as HT208854 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2018-4222 since 01/02/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The advisory points out:

An out-of-bounds read was addressed with improved input validation.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 120240 (Fedora 28 : webkit2gtk3 (2018-118b9abf99)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370984 (Apple iCloud for Windows Prior to 7.5 Multiple Vulnerabilities(HT208853)).

Upgrading to version 11.1.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (44859) and Tenable (120240). The entries VDB-118648, VDB-118652, VDB-118657 and VDB-118659 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 120240
Nessus Name: Fedora 28 : webkit2gtk3 (2018-118b9abf99)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Safari 11.1.1

Timelineinfo

01/02/2018 🔍
06/01/2018 +150 days 🔍
06/01/2018 +0 days 🔍
06/01/2018 +0 days 🔍
06/03/2018 +2 days 🔍
06/08/2018 +5 days 🔍
01/03/2019 +209 days 🔍
06/18/2024 +1993 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208854
Researcher: Natalie Silvanovich
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4222 (🔍)
GCVE (CVE): GCVE-0-2018-4222
GCVE (VulDB): GCVE-100-118762
SecurityTracker: 1041029

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 06/03/2018 14:52
Updated: 06/18/2024 11:59
Changes: 06/03/2018 14:52 (69), 02/12/2020 19:36 (15), 03/20/2023 21:38 (5), 06/18/2024 11:59 (14)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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