Improper Input Validation Affecting openvpn package, versions <2.3.15-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-ALPINE35-OPENVPN-345123
- published15 May 2017
- disclosed15 May 2017
Introduced: 15 May 2017
CVE-2017-7478 (opens in a new tab)How to fix?
Upgrade Alpine:3.5 openvpn to version 2.3.15-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openvpn package and not the openvpn package as distributed by Alpine.
See How to fix? for Alpine:3.5 relevant fixed versions and status.
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.
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7478
- https://security-tracker.debian.org/tracker/CVE-2017-7478
- https://www.exploit-db.com/exploits/41993/
- https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits
- http://www.securityfocus.com/bid/98444
- http://www.securitytracker.com/id/1038473
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-7478