CVE-2017-7520: Infoleak

Published Jun 27, 2017
·
Updated

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker.

Affected Software

9 affected components
OpenVPN OpenVPN<=2.3.16
OpenVPN OpenVPN=2.4.0
OpenVPN OpenVPN=2.4.0-alpha2
OpenVPN OpenVPN=2.4.0-beta1
OpenVPN OpenVPN=2.4.0-beta2
OpenVPN OpenVPN=2.4.0-rc1
OpenVPN OpenVPN=2.4.0-rc2
OpenVPN OpenVPN=2.4.1
OpenVPN OpenVPN=2.4.2

Event History

Jun 27, 2017
CVE Published
via MITRE·01:00 PM
Data Sourced
via MITRE·01:00 PM
DescriptionWeakness

Frequently Asked Questions

1

What is the severity of CVE-2017-7520?

CVE-2017-7520 has a severity rating that is classified as high due to its potential for denial-of-service attacks and sensitive memory leaks.

2

How do I fix CVE-2017-7520?

To mitigate CVE-2017-7520, upgrade OpenVPN to version 2.4.3 or later for stable releases and to version 2.3.17 or later for 2.3.x releases.

3

What are the consequences of exploiting CVE-2017-7520?

Exploitation of CVE-2017-7520 can lead to denial-of-service conditions and could allow attackers to access sensitive data stored in memory.

4

Which versions of OpenVPN are affected by CVE-2017-7520?

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable according to CVE-2017-7520.

5

Can CVE-2017-7520 be exploited remotely?

Yes, CVE-2017-7520 can potentially be exploited by a man-in-the-middle attacker, targeting vulnerable OpenVPN versions.

Contact

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