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    SubjectRe: [PATCH v2] ipv4: netfilter: ipt_CLUSTERIP: fix buffer overflow
    On Thu, Mar 17, 2011 at 7:32 PM, Vasiliy Kulikov <segoon@openwall.com> wrote:
    > 'buffer' string is copied from userspace.  It is not checked whether it is
    > zero terminated.  This may lead to overflow inside of simple_strtoul().
    > Changli Gao suggested to copy not more than user supplied 'size' bytes.
    >
    > It was introduced before the git epoch.  Files "ipt_CLUSTERIP/*" are
    > root writable only by default, however, on some setups permissions might be
    > relaxed to e.g. network admin user.
    >
    > Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
    Acked-by: Changli Gao <xiaosuo@gmail.com>


    --
    Regards,
    Changli Gao(xiaosuo@gmail.com)
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