CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.3 | $0-$5k | 0.00 |
A vulnerability was found in Apple macOS up to 10.14.0 (Operating System). It has been declared as critical. This vulnerability affects some unknown processing of the component dyld. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
A logic issue was addressed with improved validation. This issue affected versions prior to macOS Mojave 10.14.1.
The bug was discovered 10/30/2018. The weakness was released 10/29/2018 by Jann Horn with Google Project Zero as HT209193 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2018-4423 since 01/02/2018. Local access is required to approach this attack. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not available. The advisory points out:
A logic issue was addressed with improved validation.
The vulnerability scanner Nessus provides a plugin with the ID 118573 (macOS and Mac OS X Multiple Vulnerabilities (Security Update 2018-005)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371291 (Apple macOS Mojave 10.14.1, Security Update 2018-002 High Sierra, Security Update 2018-005 Sierra Not Installed (HT209193)).
Upgrading to version 10.14.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (118573). Entries connected to this vulnerability are available at 117820, 118107, 121205 and 126195.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.4
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
ATT&CK: Unknown
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 118573
Nessus Name: macOS and Mac OS X Multiple Vulnerabilities (Security Update 2018-005)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: macOS 10.14.1
Timeline
01/02/2018 🔍05/21/2018 🔍
10/29/2018 🔍
10/29/2018 🔍
10/30/2018 🔍
10/31/2018 🔍
10/31/2018 🔍
04/08/2020 🔍
Sources
Vendor: apple.comAdvisory: HT209193
Researcher: Jann Horn
Organization: Google Project Zero
Status: Confirmed
CVE: CVE-2018-4423 (🔍)
SecurityFocus: 104232 - Multiple CPU Hardware CVE-2018-3639 Information Disclosure Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍
Entry
Created: 10/31/2018 10:12Updated: 04/08/2020 18:10
Changes: 10/31/2018 10:12 (69), 04/08/2020 18:10 (14)
Complete: 🔍
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