ZDI-CAN-15301: Ivanti Avalanche JwtTokenUtility 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 JwtTokenUtility class. 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 | Affected Version | How to fix |
|---|---|---|
| Ivanti Avalanche |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-15301?
ZDI-CAN-15301 is considered a critical vulnerability due to its ability to allow remote code execution.
How do I fix ZDI-CAN-15301?
To fix ZDI-CAN-15301, apply the official patches provided by Ivanti for Avalanche.
Who is affected by ZDI-CAN-15301?
ZDI-CAN-15301 affects installations of Ivanti Avalanche where the vulnerable authentication mechanism is in use.
How does ZDI-CAN-15301 allow exploitation?
ZDI-CAN-15301 allows exploitation by bypassing the existing authentication mechanism to execute arbitrary code.
What is the nature of the vulnerability in ZDI-CAN-15301?
The nature of the vulnerability in ZDI-CAN-15301 involves flaws in the JwtTokenUt component that compromise security.
- agent/references
- agent/softwarecombine
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-22-776
- alias/ZDI-CAN-15301
- alias/CVE-2022-36971
- agent/software-canonical-lookup
- agent/title
- agent/severity
- agent/description
- agent/type
- agent/event
- agent/tags
- agent/source
- vendor/ivanti
- canonical/ivanti avalanche