CVE-2022-25165

An issue was discovered in Amazon AWS VPN Client 2.0.0. A TOCTOU race condition exists during the validation of VPN configuration files. This allows parameters outside of the AWS VPN Client allow list to be injected into the configuration file prior to the AWS VPN Client service (running as SYSTEM) processing the file. Dangerous arguments can be injected by a low-level user such as log, which allows an arbitrary destination to be specified for writing log files. This leads to an arbitrary file write as SYSTEM with partial control over the files content. This can be abused to cause an elevation of privilege or denial of service.

CVSS v3.0 7.0 HIGH
CVSS v2.0 6.9 MEDIUM

7.0^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://rhinosecuritylabs.com/aws/cve-2022-25165-aws-vpn-client/	Exploit Third Party Advisory
https://github.com/RhinoSecurityLabs/CVEs	Exploit Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:amazon:aws_client_vpn:2.0.0:*:*:*:*:*:*:*

Information

Published : 2022-04-14 09:15

Updated : 2022-05-13 05:37

NVD link : CVE-2022-25165

Mitre link : CVE-2022-25165

JSON object : View

CWE

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

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Products Affected

amazon

aws_client_vpn

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