Signature Detail
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Short Name |
APP:MISC:OPENVPN-DOS |
|---|---|
Severity |
Major |
Recommended |
Yes |
Recommended Action |
Drop |
Category |
APP |
Keywords |
OpenVPN P_CONTROL Denial Of Service |
Release Date |
2017/06/08 |
Update Number |
2917 |
Supported Platforms |
idp-4.0+, isg-3.0+, j-series-9.5+, mx-11.4+, srx-12.1+, srx-branch-12.1+, vmx-17.4+, vsrx-12.1+, vsrx3bsd-18.2+ |
APP: OpenVPN P_CONTROL Denial Of Service
This signature detects attempts to exploit a known vulnerability in OpenVPN. A remote, unauthenticated attacker can exploit this vulnerability to cause the OpenVPN server program to terminate, resulting in a denial-of-service condition.
Extended Description
OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2.
Affected Products
- Openvpn openvpn 2.3.12
- Openvpn openvpn 2.3.13
- Openvpn openvpn 2.3.14
- Openvpn openvpn 2.4.0
- Openvpn openvpn 2.4.1
References
- CVE: CVE-2017-7478