OpenVPN 2.6.9 Interactive Service Stack Overflow Privilege Escalation
CVE-2024-27459 Published on July 8, 2024

The interactive service in OpenVPN 2.6.9 and earlier allows an attacker to send data causing a stack overflow which can be used to execute arbitrary code with more privileges.

NVD

Vulnerability Analysis

CVE-2024-27459 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Stack Overflow Vulnerability?

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

CVE-2024-27459 has been classified to as a Stack Overflow vulnerability or weakness.


Products Associated with CVE-2024-27459

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Affected Versions

OpenVPN GUI: openvpn_gui:

Exploit Probability

EPSS
5.42%
Percentile
89.96%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.