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.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | openvpn | 2013-06-11 22:47 | ALAS-2013-201 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv2 | 2.6 | AV:N/AC:H/Au:N/C:P/I:N/A:N |
NVD | CVSSv2 | 2.6 | AV:N/AC:H/Au:N/C:P/I:N/A:N |