Vulnerability Details CVE-2013-2061
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.015
EPSS Ranking 79.7%
CVSS Severity
CVSS v2 Score 2.6
References
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105568.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105609.html
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00012.html
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00016.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:167
- http://www.openwall.com/lists/oss-security/2013/05/06/6
- https://bugs.gentoo.org/show_bug.cgi?id=468756
- https://bugzilla.redhat.com/show_bug.cgi?id=960192
- https://community.openvpn.net/openvpn/wiki/SecurityAnnouncement-f375aa67cc
- https://github.com/OpenVPN/openvpn/commit/11d21349a4e7e38a025849479b36ace7c2eec2ee
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105568.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105609.html
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00012.html
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00016.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:167
- http://www.openwall.com/lists/oss-security/2013/05/06/6
- https://bugs.gentoo.org/show_bug.cgi?id=468756
- https://bugzilla.redhat.com/show_bug.cgi?id=960192
- https://community.openvpn.net/openvpn/wiki/SecurityAnnouncement-f375aa67cc
- https://github.com/OpenVPN/openvpn/commit/11d21349a4e7e38a025849479b36ace7c2eec2ee
Products affected by CVE-2013-2061
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cpe:2.3:a:openvpn:openvpn:-
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cpe:2.3:a:openvpn:openvpn:0.90
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cpe:2.3:a:openvpn:openvpn:0.91
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cpe:2.3:a:openvpn:openvpn:1.0
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cpe:2.3:a:openvpn:openvpn:1.0.2
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cpe:2.3:a:openvpn:openvpn:1.0.3
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cpe:2.3:a:openvpn:openvpn:1.1.0
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cpe:2.3:a:openvpn:openvpn:1.1.1
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cpe:2.3:a:openvpn:openvpn:1.2.0
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cpe:2.3:a:openvpn:openvpn:1.2.1
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cpe:2.3:a:openvpn:openvpn:1.3.0
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cpe:2.3:a:openvpn:openvpn:1.3.1
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cpe:2.3:a:openvpn:openvpn:1.3.2
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cpe:2.3:a:openvpn:openvpn:1.4.0
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cpe:2.3:a:openvpn:openvpn:1.4.1
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cpe:2.3:a:openvpn:openvpn:1.4.2
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cpe:2.3:a:openvpn:openvpn:1.4.3
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cpe:2.3:a:openvpn:openvpn:1.5.0
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cpe:2.3:a:openvpn:openvpn:1.6.0
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cpe:2.3:a:openvpn:openvpn:2.0
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cpe:2.3:a:openvpn:openvpn:2.0.0
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cpe:2.3:a:openvpn:openvpn:2.0.1
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cpe:2.3:a:openvpn:openvpn:2.0.10
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cpe:2.3:a:openvpn:openvpn:2.0.11
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cpe:2.3:a:openvpn:openvpn:2.0.12
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cpe:2.3:a:openvpn:openvpn:2.0.17
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cpe:2.3:a:openvpn:openvpn:2.0.2
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cpe:2.3:a:openvpn:openvpn:2.0.20
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cpe:2.3:a:openvpn:openvpn:2.0.21
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cpe:2.3:a:openvpn:openvpn:2.0.24
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cpe:2.3:a:openvpn:openvpn:2.0.25
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cpe:2.3:a:openvpn:openvpn:2.0.26
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cpe:2.3:a:openvpn:openvpn:2.0.3
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cpe:2.3:a:openvpn:openvpn:2.0.4
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cpe:2.3:a:openvpn:openvpn:2.0.5
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cpe:2.3:a:openvpn:openvpn:2.0.6
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cpe:2.3:a:openvpn:openvpn:2.0.7
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cpe:2.3:a:openvpn:openvpn:2.0.8
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cpe:2.3:a:openvpn:openvpn:2.0.9
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cpe:2.3:a:openvpn:openvpn:2.1.0
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cpe:2.3:a:openvpn:openvpn:2.1.1
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cpe:2.3:a:openvpn:openvpn:2.1.12
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cpe:2.3:a:openvpn:openvpn:2.1.2
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cpe:2.3:a:openvpn:openvpn:2.1.28.0
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cpe:2.3:a:openvpn:openvpn:2.1.3
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cpe:2.3:a:openvpn:openvpn:2.1.4
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cpe:2.3:a:openvpn:openvpn:2.1.6
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cpe:2.3:a:openvpn:openvpn:2.1.8
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cpe:2.3:a:openvpn:openvpn:2.1.9
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cpe:2.3:a:openvpn:openvpn:2.2.0
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cpe:2.3:a:openvpn:openvpn:2.2.1
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cpe:2.3:a:openvpn:openvpn:2.2.2
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cpe:2.3:a:openvpn:openvpn:2.2.3
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cpe:2.3:a:openvpn:openvpn:2.3.0
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cpe:2.3:a:openvpn:openvpn_access_server:2.0.0
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cpe:2.3:o:opensuse:opensuse:11.4