The remote host is missing an update to ettercap announced via advisory DSA 749-1. A vulnerability was discovered in the ettercap package which could allow a remote attacker to execute arbitrary code on the system running ettercap. The old stable distribution (woody) did not include ettercap.

For the stable distribution (sarge), this problem has been fixed in version 0.7.1-1sarge1. For the unstable distribution (sid), this problem has been fixed in version 0.7.3-1. We recommend that you upgrade your ettercap package. https://secure1.securityspace.com/smysecure/catid.html?in=DSA%20749-1