Ivanti Avalanche 6.3.2.3490 Web File Server Service deserialization

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Ivanti Avalanche 6.3.2.3490. It has been rated as critical. This issue affects some unknown processing of the component Web File Server Service. The manipulation leads to deserialization. This vulnerability is referenced as CVE-2022-36974. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Ivanti Avalanche 6.3.2.3490. This issue affects an unknown function of the component Web File Server Service. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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 Web File 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-15330.

The weakness was published 03/30/2023 as ZDI-22-779. The advisory is shared at zerodayinitiative.com. The identification of this vulnerability is CVE-2022-36974 since 07/27/2022. Neither technical details nor an exploit are publicly available.

Upgrading to version 6.3.4 eliminates this vulnerability. The upgrade is hosted for download at download.wavelink.com.

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector (Zero Day Initiative): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Avalanche 6.3.4

Timelineinfo

07/27/2022 🔍
03/30/2023 +246 days 🔍
03/30/2023 +0 days 🔍
04/20/2023 +21 days 🔍

Sourcesinfo

Advisory: ZDI-22-779
Status: Confirmed

CVE: CVE-2022-36974 (🔍)
GCVE (CVE): GCVE-0-2022-36974
GCVE (VulDB): GCVE-100-224525

Entryinfo

Created: 03/30/2023 10:31
Updated: 04/20/2023 09:25
Changes: 03/30/2023 10:31 (51), 04/20/2023 09:25 (11)
Complete: 🔍
Cache ID: 216::103

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