CVE-2013-2061
EPSS 1.5%
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.
How to fix CVE-2013-2061
To remediate CVE-2013-2061, upgrade the affected package to a fixed version below.
- Debian/openvpn—upgrade to 2.3.1-1 or later
Is CVE-2013-2061 being exploited?
Low — EPSS is 1.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.3.1-1