Headline
CVE-2022-36978: ZDI-22-783
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ivanti Avalanche 6.3.2.3490. 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. Was ZDI-CAN-15448.
May 26th, 2022
Ivanti Avalanche Notification Server Service Deserialization of Untrusted Data Remote Code Execution Vulnerability****ZDI-22-783
ZDI-CAN-15448
CVE ID
CVE-2022-36978
CVSS SCORE
9.8, (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
AFFECTED VENDORS
Ivanti
AFFECTED PRODUCTS
Avalanche
VULNERABILITY DETAILS
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.
ADDITIONAL DETAILS
Ivanti has issued an update to correct this vulnerability. More details can be found at:
https://download.wavelink.com/Files/avalanche_v6.3.4_release_notes.txt
DISCLOSURE TIMELINE
- 2021-10-29 - Vulnerability reported to vendor
- 2022-05-26 - Coordinated public release of advisory
- 2022-07-27 - Advisory Updated
CREDIT
Piotr Bazydlo (@chudypb)
BACK TO ADVISORIES
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