diff options
Diffstat (limited to 'meta-networking/recipes-support/ntp/files/CVE-2013-5211.patch')
| -rw-r--r-- | meta-networking/recipes-support/ntp/files/CVE-2013-5211.patch | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/meta-networking/recipes-support/ntp/files/CVE-2013-5211.patch b/meta-networking/recipes-support/ntp/files/CVE-2013-5211.patch deleted file mode 100644 index ddcb044e60..0000000000 --- a/meta-networking/recipes-support/ntp/files/CVE-2013-5211.patch +++ /dev/null @@ -1,112 +0,0 @@ -ntp: fix CVE-2013-5211 - -Upstream-status: Backport - -The monlist feature in ntp_request.c in ntpd in NTP before -4.2.7p26 allows remote attackers to cause a denial of service -(traffic amplification) via forged (1) REQ_MON_GETLIST or -(2) REQ_MON_GETLIST_1 requests, as exploited in the wild -in December 2013. - -Signed-off-by: Zhang Xiao <xiao.zhang@windriver.com> - ---- a/ntpd/ntp_request.c -+++ b/ntpd/ntp_request.c -@@ -1912,44 +1912,11 @@ mon_getlist_0( - struct req_pkt *inpkt - ) - { -- register struct info_monitor *im; -- register struct mon_data *md; -- extern struct mon_data mon_mru_list; -- extern int mon_enabled; -- - #ifdef DEBUG - if (debug > 2) - printf("wants monitor 0 list\n"); - #endif -- if (!mon_enabled) { -- req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA); -- return; -- } -- im = (struct info_monitor *)prepare_pkt(srcadr, inter, inpkt, -- v6sizeof(struct info_monitor)); -- for (md = mon_mru_list.mru_next; md != &mon_mru_list && im != 0; -- md = md->mru_next) { -- im->lasttime = htonl((u_int32)((current_time - -- md->firsttime) / md->count)); -- im->firsttime = htonl((u_int32)(current_time - md->lasttime)); -- im->restr = htonl((u_int32)md->flags); -- im->count = htonl((u_int32)(md->count)); -- if (IS_IPV6(&md->rmtadr)) { -- if (!client_v6_capable) -- continue; -- im->addr6 = SOCK_ADDR6(&md->rmtadr); -- im->v6_flag = 1; -- } else { -- im->addr = NSRCADR(&md->rmtadr); -- if (client_v6_capable) -- im->v6_flag = 0; -- } -- im->port = md->rmtport; -- im->mode = md->mode; -- im->version = md->version; -- im = (struct info_monitor *)more_pkt(); -- } -- flush_pkt(); -+ req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA); - } - - /* -@@ -1962,50 +1929,7 @@ mon_getlist_1( - struct req_pkt *inpkt - ) - { -- register struct info_monitor_1 *im; -- register struct mon_data *md; -- extern struct mon_data mon_mru_list; -- extern int mon_enabled; -- -- if (!mon_enabled) { -- req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA); -- return; -- } -- im = (struct info_monitor_1 *)prepare_pkt(srcadr, inter, inpkt, -- v6sizeof(struct info_monitor_1)); -- for (md = mon_mru_list.mru_next; md != &mon_mru_list && im != 0; -- md = md->mru_next) { -- im->lasttime = htonl((u_int32)((current_time - -- md->firsttime) / md->count)); -- im->firsttime = htonl((u_int32)(current_time - md->lasttime)); -- im->restr = htonl((u_int32)md->flags); -- im->count = htonl((u_int32)md->count); -- if (IS_IPV6(&md->rmtadr)) { -- if (!client_v6_capable) -- continue; -- im->addr6 = SOCK_ADDR6(&md->rmtadr); -- im->v6_flag = 1; -- im->daddr6 = SOCK_ADDR6(&md->interface->sin); -- } else { -- im->addr = NSRCADR(&md->rmtadr); -- if (client_v6_capable) -- im->v6_flag = 0; -- if (MDF_BCAST == md->cast_flags) -- im->daddr = NSRCADR(&md->interface->bcast); -- else if (md->cast_flags) { -- im->daddr = NSRCADR(&md->interface->sin); -- if (!im->daddr) -- im->daddr = NSRCADR(&md->interface->bcast); -- } else -- im->daddr = 4; -- } -- im->flags = htonl(md->cast_flags); -- im->port = md->rmtport; -- im->mode = md->mode; -- im->version = md->version; -- im = (struct info_monitor_1 *)more_pkt(); -- } -- flush_pkt(); -+ req_ack(srcadr, inter, inpkt, INFO_ERR_NODATA); - } - - /* |