Vulnerability Details : CVE-2018-9336

openvpnserv.exe (aka the interactive service helper) in OpenVPN 2.4.x before 2.4.6 allows a local attacker to cause a double-free of memory by sending a malformed request to the interactive service. This could cause a denial-of-service through memory corruption or possibly have unspecified other impact including privilege escalation.
Published 2018-05-01 18:29:01
Updated 2018-06-13 14:27:26
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionGain privilegeDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2018-9336

EPSS FAQ
0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-9336

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.6
 MEDIUM AV:L/AC:L/Au:N/C:P/I:P/A:P
3.9
6.4
 NIST
7.8
 HIGH CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
 NIST

CWE ids for CVE-2018-9336

  • The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-9336

Products affected by CVE-2018-9336

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