Zscaler Client Connector up to 4.1 on macOS Updater signature verification

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Zscaler Client Connector up to 4.1 on macOS. It has been rated as problematic. This impacts an unknown function of the component Updater. Performing a manipulation results in signature verification. This vulnerability is reported as CVE-2024-23460. The attacker must have access to the local network to execute the attack. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Zscaler Client Connector up to 4.1 on macOS. It has been classified as problematic. This affects an unknown function of the component Updater. The manipulation with an unknown input leads to a signature verification vulnerability. CWE is classifying the issue as CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The Zscaler Updater process does not validate the digital signature of the installer before execution, allowing arbitrary code to be locally executed. This affects Zscaler Client Connector on MacOS <4.2.

The advisory is shared at help.zscaler.com. This vulnerability is uniquely identified as CVE-2024-23460 since 01/17/2024. The exploitability is told to be difficult. The attack needs to approached within the local network. Neither technical details nor an exploit are publicly available.

Upgrading to version 4.2 eliminates this vulnerability. The upgrade is hosted for download at help.zscaler.com.

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

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.4
CNA Vector (Zscaler): 🔍

CVSSv2info

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

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Client Connector 4.2

Timelineinfo

01/17/2024 🔍
08/06/2024 +201 days 🔍
08/06/2024 +0 days 🔍
08/06/2024 +0 days 🔍

Sourcesinfo

Advisory: help.zscaler.com
Status: Confirmed

CVE: CVE-2024-23460 (🔍)
GCVE (CVE): GCVE-0-2024-23460
GCVE (VulDB): GCVE-100-273777

Entryinfo

Created: 08/06/2024 20:31
Changes: 08/06/2024 20:31 (65)
Complete: 🔍
Cache ID: 216::103

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

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