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http://bk.ntp.org/ntp-stable/?PAGE=patch&REV=54922b65gDSbE4G7c3JjkuK1Tv33qQ
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6d3098 |
http://bk.ntp.org/ntp-stable/?PAGE=patch&REV=5492d2879rotbnnuVch_ZC3RAfS8AA
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6d3098 |
http://bk.ntp.org/ntp-stable/?PAGE=patch&REV=5496213frLaEz5PHLZVhuYjM7Lalkw
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6d3098 |
http://bk.ntp.org/ntp-stable/?PAGE=patch&REV=54c2228bpOp4_zrX9aGXdMEZJEGzkg
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6d3098 |
diff -up ntp-4.2.6p5/ntpd/ntp_io.c.cve-2014-9298 ntp-4.2.6p5/ntpd/ntp_io.c
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--- ntp-4.2.6p5/ntpd/ntp_io.c.cve-2014-9298 2015-02-04 11:49:30.506083987 +0100
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+++ ntp-4.2.6p5/ntpd/ntp_io.c 2015-02-04 12:09:12.638449788 +0100
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@@ -3498,6 +3498,29 @@ read_network_packet(
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fd, buflen, stoa(&rb->recv_srcadr)));
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/*
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+ ** Bug 2672: Some OSes (MacOSX and Linux) don't block spoofed ::1
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+ */
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+
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+ if (AF_INET6 == itf->family) {
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+ DPRINTF(2, ("Got an IPv6 packet, from <%s> (%d) to <%s> (%d)\n",
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+ stoa(&rb->recv_srcadr),
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+ IN6_IS_ADDR_LOOPBACK(PSOCK_ADDR6(&rb->recv_srcadr)),
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+ stoa(&itf->sin),
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+ !IN6_IS_ADDR_LOOPBACK(PSOCK_ADDR6(&itf->sin))
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+ ));
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+
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+ if ( IN6_IS_ADDR_LOOPBACK(PSOCK_ADDR6(&rb->recv_srcadr))
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+ && !IN6_IS_ADDR_LOOPBACK(PSOCK_ADDR6(&itf->sin))
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+ ) {
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+ packets_dropped++;
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+ DPRINTF(2, ("DROPPING that packet\n"));
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+ freerecvbuf(rb);
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+ return buflen;
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+ }
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+ DPRINTF(2, ("processing that packet\n"));
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+ }
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+
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+ /*
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* Got one. Mark how and when it got here,
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* put it on the full list and do bookkeeping.
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*/
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