WID-SEC-W-2023-2733

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

ZScaler Client Connector: Mehrere Schwachstellen

view advisory published 2023-10-23

Ein Angreifer kann mehrere Schwachstellen in ZScaler Client Connector ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, einen Denial-of-Service-Zustand auszulösen, Dateien zu manipulieren oder seine Privilegien zu erweitern.

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describes (12)

Related CVEs.

IDseverity exploitable
CVE-2023-28805UScritical9.8—
An Improper Input Validation vulnerability in Zscaler Client Connector on Linux allows Privilege Escalation. This issue affects Client Connector: before 1.4.0.105
CVE-2023-28804USmedium5.3—
An Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows replacing binaries.This issue affects Linux Client Connector: before 1…
CVE-2023-28803USmedium6.5—
An authentication bypass by spoofing of a device with a synthetic IP address is possible in Zscaler Client Connector on Windows, allowing a functionality bypass. This issue affects…
CVE-2023-28797UShigh7.3—
Zscaler Client Connector for Windows before 4.1 writes/deletes a configuration file inside specific folders on the disk. A malicious user can replace the folder and execute code as…
CVE-2023-28796UShigh7.8—
Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows Code Injection. This issue affects Zscaler Client Connector for Linux: be…
CVE-2023-28795UShigh7.8—
Origin Validation Error vulnerability in Zscaler Client Connector on Linux allows Inclusion of Code in Existing Process. This issue affects Zscaler Client Connector for Linux: befo…
CVE-2023-28793UShigh7.8—
Buffer overflow vulnerability in the signelf library used by Zscaler Client Connector on Linux allows Code Injection. This issue affects Zscaler Client Connector for Linux: before…
CVE-2021-26738UShigh7.8—
Zscaler Client Connector for macOS prior to 3.7 had an unquoted search path vulnerability via the PATH variable. A local adversary may be able to execute code with root privileges.…
CVE-2021-26737USmedium4.7—
The Zscaler Client Connector for macOS prior to 3.6 did not sufficiently validate RPC clients. A local adversary without sufficient privileges may be able to shutdown the Zscaler t…
CVE-2021-26736UShigh7.8—
Multiple vulnerabilities in the Zscaler Client Connector Installer and Uninstaller for Windows prior to 3.6 allowed execution of binaries from a low privileged path. A local advers…
CVE-2021-26735UShigh7.8—
The Zscaler Client Connector Installer and Unsintallers for Windows prior to 3.6 had an unquoted search path vulnerability. A local adversary may be able to execute code with SYSTE…
CVE-2021-26734USmedium5.5—
Zscaler Client Connector Installer on Windows before version 3.4.0.124 improperly handled directory junctions during uninstallation. A local adversary may be able to delete folders…
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references

External citations — patches, advisories, analysis.

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