CleanMyMac X 4.04 Helper Service input validation

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.
6.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in CleanMyMac X 4.04 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Helper Service. The manipulation leads to input validation. This vulnerability is known as CVE-2018-4044. It is possible to launch the attack on the local host. There is no exploit available. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability, which was classified as critical, was found in CleanMyMac X 4.04. Affected is an unknown functionality of the component Helper Service. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An exploitable privilege escalation vulnerability exists in the helper service of Clean My Mac X, version 4.04, due to improper input validation. An attacker with local access could exploit this vulnerability to modify the file system as root.

The bug was discovered 01/02/2019. The weakness was presented 01/10/2019 (Website). The advisory is available at talosintelligence.com. This vulnerability is traded as CVE-2018-4044 since 01/02/2018. Local access is required to approach this attack. The successful exploitation needs a authentication. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-129021, VDB-129020, VDB-129019 and VDB-129017 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 7.1
CNA Vector (Talos): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/02/2018 🔍
01/02/2019 +365 days 🔍
01/10/2019 +8 days 🔍
01/10/2019 +0 days 🔍
01/11/2019 +1 days 🔍
06/26/2023 +1627 days 🔍

Sourcesinfo

Advisory: talosintelligence.com
Status: Not defined

CVE: CVE-2018-4044 (🔍)
GCVE (CVE): GCVE-0-2018-4044
GCVE (VulDB): GCVE-100-129018
See also: 🔍

Entryinfo

Created: 01/11/2019 09:04 AM
Updated: 06/26/2023 09:54 AM
Changes: 01/11/2019 09:04 AM (56), 04/28/2020 04:24 PM (1), 06/26/2023 09:54 AM (14)
Complete: 🔍
Cache ID: 18:713:40

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