Reachable Assertion Affecting openvpn package, versions <2.3.10-1ubuntu2.1
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UBUNTU1604-OPENVPN-345100
- published15 May 2017
- disclosed15 May 2017
Introduced: 15 May 2017
CVE-2017-7479 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 openvpn to version 2.3.10-1ubuntu2.1 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 Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
OpenVPN versions before 2.3.15 and before 2.4.2 are vulnerable to reachable assertion when packet-ID counter rolls over resulting into Denial of Service of server by authenticated attacker.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-7479
- https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7479
- http://www.debian.org/security/2017/dsa-3900
- https://security-tracker.debian.org/tracker/CVE-2017-7479
- http://www.securityfocus.com/bid/98443
- http://www.securitytracker.com/id/1038473