CVE-2011-1739

The makemask function in mountd.c in mountd in FreeBSD 7.4 through 8.2 does not properly handle a -network field specifying a CIDR block with a prefix length that is not an integer multiple of 8, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances via an NFS mount request.

Date published : 2011-05-03

http://www.securityfocus.com/bid/47517

http://security.FreeBSD.org/advisories/FreeBSD-SA-11:01.mountd.asc