CVE-2013-2061
- State
- Published
- Severity
- Not scored
- Published
- Nov 15, 2013
- Updated
- Aug 6, 2024
- Reserved
- Feb 19, 2013
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.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- FEDORA-2013-7552vendor-advisory
- FEDORA-2013-7531vendor-advisory
- openSUSE-SU-2013:1645vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=960192
- [oss-security] 20130506 Re: CVE request: OpenVPN use of non-constant-time memcmp in HMAC comparison in openvpn_decryptmailing-list
- MDVSA-2013:167vendor-advisory
- openSUSE-SU-2013:1649vendor-advisory
- https://bugs.gentoo.org/show_bug.cgi?id=468756
- https://github.com/OpenVPN/openvpn/commit/11d21349a4e7e38a025849479b36ace7c2eec2ee
- https://community.openvpn.net/openvpn/wiki/SecurityAnnouncement-f375aa67cc
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