NetSight
low2.6

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 …

Impact

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.

Affected products

VendorProductAffected versions
OpenvpnOpenvpn
through 2.3.0
Versions 1.2.0, 1.2.1, 1.3.0, 1.3.1, 1.3.2
OpenvpnOpenvpn Access Server
Version 2.0.0
OpensuseOpensuse
Version 11.4

Weakness classification

References