Zscaler Client Connector up to 4.2.0.149 on Windows Autoupdater Log origin validation

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Zscaler Client Connector on Windows. Affected is an unknown function of the component Autoupdater Log Handler. The manipulation leads to origin validation. This vulnerability is traded as CVE-2024-23458. The attack needs to be approached locally. There is no exploit available. It is recommended to upgrade the affected component. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Detailsinfo

A vulnerability was found in Zscaler Client Connector on Windows. It has been rated as problematic. This issue affects some unknown functionality of the component Autoupdater Log Handler. The manipulation with an unknown input leads to a origin validation vulnerability. Using CWE to declare the problem leads to CWE-346. The product does not properly verify that the source of data or communication is valid. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

While copying individual autoupdater log files, reparse point check was missing which could result into crafted attacks, potentially leading to a local privilege escalation. This issue affects Zscaler Client Connector on Windows <4.2.0.190.

It is possible to read the advisory at help.zscaler.com. The identification of this vulnerability is CVE-2024-23458 since 01/17/2024. The exploitation is known to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 4.2.0.190 eliminates this vulnerability. The upgrade is hosted for download at help.zscaler.com.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.3
CNA Vector (Zscaler): 🔒

CVSSv2info

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

Exploitinginfo

Class: Origin validation
CWE: CWE-346 / CWE-345
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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Client Connector 4.2.0.190

Timelineinfo

01/17/2024 CVE reserved
08/06/2024 +201 days Advisory disclosed
08/06/2024 +0 days VulDB entry created
08/06/2024 +0 days VulDB entry last update

Sourcesinfo

Advisory: help.zscaler.com
Status: Confirmed

CVE: CVE-2024-23458 (🔒)
GCVE (CVE): GCVE-0-2024-23458
GCVE (VulDB): GCVE-100-273779

Entryinfo

Created: 08/06/2024 08:33 PM
Changes: 08/06/2024 08:33 PM (65)
Complete: 🔍
Cache ID: 18:BB9:40

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