Ivanti Avalanche 6.3.3.101 AgentTaskHandler improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability was found in Ivanti Avalanche 6.3.3.101. It has been classified as critical. This affects the function AgentTaskHandler. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

This vulnerability allows remote attackers to read arbitrary files 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 AgentTaskHandler 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 disclose stored session cookies, leading to further compromise. Was ZDI-CAN-15967.

The weakness was published 03/29/2023 as ZDI-22-787. It is possible to read the advisory at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2022-36982 since 07/27/2022. Technical details of the vulnerability are known, but there is no available exploit.

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

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 6.5
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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

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 🔍
03/29/2023 +245 days 🔍
03/29/2023 +0 days 🔍
04/19/2023 +21 days 🔍

Sourcesinfo

Advisory: ZDI-22-787
Status: Confirmed

CVE: CVE-2022-36982 (🔍)

Entryinfo

Created: 03/29/2023 10:27 PM
Updated: 04/19/2023 07:11 PM
Changes: 03/29/2023 10:27 PM (42), 04/19/2023 07:11 PM (20)
Complete: 🔍
Cache ID: 18:8AE:40

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