High severity · published Mar 29, 2023
CVE-2022-36982
This vulnerability allows remote attackers to read arbitrary files on affected installations of Ivanti Avalanche 6.3.3.101
7.5
CVSS
73.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)73.8% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AV
Avalanche · Ivanti
6.3.3.101 before 6.3.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-36982
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-36982
Release Notes
https://download.wavelink.com/Files/avalanche_v6.3.4_release_notes.txt
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-787/
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