ZDI-22-783: Ivanti Avalanche Notification Server Service Deserialization of Untrusted Data Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ivanti Avalanche. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the Notification Server service. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account.

Affected Software

1 affected component
Ivanti Avalanche

Event History

Aug 3, 2024
Advisory Published
via ZDI·10:25 AM

Frequently Asked Questions

1

What is the severity of ZDI-22-783?

ZDI-22-783 is classified as a high severity vulnerability due to its potential for remote code execution.

2

How do I fix ZDI-22-783?

To mitigate ZDI-22-783, users should update Ivanti Avalanche to the latest patched version provided by the vendor.

3

What products are affected by ZDI-22-783?

ZDI-22-783 specifically affects Ivanti Avalanche installations.

4

Can ZDI-22-783 be exploited without authentication?

No, while authentication is required to exploit ZDI-22-783, the authentication mechanism can be bypassed.

5

What type of attack does ZDI-22-783 allow?

ZDI-22-783 allows remote attackers to execute arbitrary code on vulnerable installations of Ivanti Avalanche.

Contact

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