Apple Safari up to 11.0 WebKit memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple Safari up to 11.0. It has been classified as critical. This vulnerability affects unknown code of the component WebKit. This manipulation causes memory corruption. This vulnerability is handled as CVE-2018-4204. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple Safari up to 11.0 (Web Browser). It has been declared as critical. Affected by this vulnerability is an unknown code block of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 04/24/2018. The weakness was released 04/24/2018 by Richard Zhu (OSS-Fuzz) with Google Project Zero as HT208741 as confirmed security update (Website) via ZDI (Zero Day Initiative). The advisory is shared at support.apple.com. The public release was coordinated with Apple. This vulnerability is known as CVE-2018-4204 since 01/02/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/08/2023).

The vulnerability scanner Nessus provides a plugin with the ID 118453 (openSUSE Security Update : webkit2gtk3 (openSUSE-2018-1288)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371357 (Apple Safari Multiple Vulnerabilities (HT208741)).

Upgrading to version 11.1 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 Tenable (118453), SecurityFocus (BID 103961†) and SecurityTracker (ID 1040743†). Entries connected to this vulnerability are available at VDB-115325, VDB-115354, VDB-115379 and VDB-115397. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 118453
Nessus Name: openSUSE Security Update : webkit2gtk3 (openSUSE-2018-1288)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 58847
OpenVAS Name: Apple Safari Security Updates(HT208741)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Safari 11.1

Timelineinfo

01/02/2018 🔍
04/24/2018 +112 days 🔍
04/24/2018 +0 days 🔍
04/24/2018 +0 days 🔍
04/24/2018 +0 days 🔍
04/24/2018 +0 days 🔍
05/01/2018 +7 days 🔍
06/08/2018 +38 days 🔍
10/26/2018 +140 days 🔍
03/08/2023 +1594 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208741
Researcher: Richard Zhu (OSS-Fuzz)
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-4204 (🔍)
GCVE (CVE): GCVE-0-2018-4204
GCVE (VulDB): GCVE-100-117241
SecurityFocus: 103961 - WebKit Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1040743

See also: 🔍

Entryinfo

Created: 05/01/2018 12:23
Updated: 03/08/2023 10:29
Changes: 05/01/2018 12:23 (70), 02/01/2020 15:46 (19), 03/08/2023 10:29 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!