CVE-2022-36981 Path traversal in Avalanche

What is CVE-2022-36981?

CVE-2022-36981 is a high-severity path traversal vulnerability in Ivanti Avalanche, published on 29 Mar 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ivanti Avalanche 6.3.3.101. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the DeviceLogResource class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-15966.

Weakness: CWE-22

Which versions are affected by CVE-2022-36981?

It affects 1 product.

Products include Ivanti Avalanche.

How do I fix CVE-2022-36981?

No fix has been published for CVE-2022-36981 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2022-36981 being exploited?

There is no known exploitation of CVE-2022-36981 in the wild and no public exploit code.

Other vulnerabilities in Ivanti Avalanche

• CVE-2023-38036 Memory corruption in Avalanche Critical 9.8
• CVE-2024-24996 Memory corruption in Avalanche Critical 9.8
• CVE-2024-29204 Memory corruption in Avalanche Critical 9.8
• CVE-2023-41727 Memory corruption in Wavelink Critical 9.8
• CVE-2023-46216 Memory corruption in Wavelink Critical 9.8

All Ivanti Avalanche vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-qfj3-4fxc-mgvr.