Information Exposure The advisory has been revoked - it doesn't affect any version of package openvpn (opens in a new tab)
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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Test your applications- Snyk IDSNYK-UBUNTU1404-OPENVPN-637246
- published18 Nov 2013
- disclosed18 Nov 2013
Introduced: 18 Nov 2013
CVE-2013-2061 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:14.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openvpn package and not the openvpn package as distributed by Ubuntu.
The openvpn_decrypt function in crypto.c in OpenVPN 2.3.0 and earlier, when running in UDP mode, allows remote attackers to obtain sensitive information via a timing attack involving an HMAC comparison function that does not run in constant time and a padding oracle attack on the CBC mode cipher.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2013-2061
- https://bugs.gentoo.org/show_bug.cgi?id=468756
- https://community.openvpn.net/openvpn/wiki/SecurityAnnouncement-f375aa67cc
- https://security-tracker.debian.org/tracker/CVE-2013-2061
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105568.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105609.html
- https://github.com/OpenVPN/openvpn/commit/11d21349a4e7e38a025849479b36ace7c2eec2ee
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00012.html
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00016.html
- http://www.openwall.com/lists/oss-security/2013/05/06/6
- https://bugzilla.redhat.com/show_bug.cgi?id=960192
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:167