CVE-2013-2061

CVSS V2 Low 2.6 CVSS V3 None
Description
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.
Overview
  • CVE ID
  • CVE-2013-2061
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2013-11-18T02:55:07
  • Last Modified Date
  • 2020-05-12T14:21:12
Weakness Enumerations
CWE URL
CWE-200 http://cwe.mitre.org/data/definitions/200.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:* 1 OR 2.3.0
cpe:2.3:a:openvpn:openvpn:1.2.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:1.2.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:1.3.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:1.3.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:1.3.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:1.4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:1.4.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:1.4.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:1.4.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:1.5.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:1.6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:2.1.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:2.2.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn_access_server:2.0.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:H/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • HIGH
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 2.6
  • Severity
  • LOW
  • Exploitability Score
  • 4.9
  • Impact Score
  • 2.9
References
Reference URL Reference Tags
https://github.com/OpenVPN/openvpn/commit/11d21349a4e7e38a025849479b36ace7c2eec2ee Exploit Patch
https://bugzilla.redhat.com/show_bug.cgi?id=960192
http://www.openwall.com/lists/oss-security/2013/05/06/6
http://lists.opensuse.org/opensuse-updates/2013-11/msg00016.html
http://lists.opensuse.org/opensuse-updates/2013-11/msg00012.html Vendor Advisory
https://bugs.gentoo.org/show_bug.cgi?id=468756
https://community.openvpn.net/openvpn/wiki/SecurityAnnouncement-f375aa67cc
http://www.mandriva.com/security/advisories?name=MDVSA-2013:167
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105568.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105609.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2013-2061
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-2061
History
Created Old Value New Value Data Type Notes
2022-05-10 17:32:45 Added to TrackCVE
2022-12-01 20:46:15 2013-11-18T02:55Z 2013-11-18T02:55:07 CVE Published Date updated
2022-12-01 20:46:15 2020-05-12T14:21:12 CVE Modified Date updated
2022-12-01 20:46:15 Modified Vulnerability Status updated