Local Memory Corruption Vulnerability in OpenVPN Interactive Service
CVE-2018-9336

7.8HIGH

Key Information:

Vendor

Openvpn
Status
Openvpn
Vendor
CVE Published:
1 May 2018

What is CVE-2018-9336?

A vulnerability exists in OpenVPN's interactive service (openvpnserv.exe) where a local attacker can exploit a flawed request handling mechanism, resulting in a double-free of memory. This weakness can lead to denial-of-service conditions due to memory corruption, and may also potentially enable privilege escalation. Updating to OpenVPN version 2.4.6 or later is essential to mitigate this risk.

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References

https://github.com/OpenVPN/openvpn/releases/tag/v2.4.6
x_refsource_CONFIRM
http://www.slackware.com/security/viewer.php?l=slackware-...
vendor-advisoryx_refsource_SLACKWARE
https://www.tenable.com/security/research/tra-2018-09
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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