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92 lines
2.8 KiB
92 lines
2.8 KiB
22 years ago
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tcpdump patch patrix; thl@dev.de.cw.com
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tcpdump 371 371 372 381
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OpenPKG 120 121 130 20020822
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--- --- --- ---
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CAN-2002-0380 nfs y n n n see past OpenPKG-SA-2003.014-tcpdump
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CAN-2002-1350 bgp y n n n see past OpenPKG-SA-2003.014-tcpdump
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CAN-2003-0108 isakmp y n n n see past OpenPKG-SA-2003.014-tcpdump
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depth y y y n (*)
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CAN-2003-0989 isakmp y y y n updates CAN-2003-0108-isakmp
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CAN-2003-1029 l2tp y y n n
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CAN-2004-0055 radius y y y y
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CAN-2004-0057 isakmp y y y y
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(*) the vendor code fix for CAN-2003-0108 had two other unrelated code
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changes piggybacked. We removed the cosmetics (constify) and
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extracted an enhancement (depth).
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0055 (radius)
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The print_attr_string function in print-radius.c for tcpdump 3.8.1
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and earlier allows remote attackers to cause a denial of service
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(segmentation fault) via a RADIUS attribute with a large length
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value.
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Index: print-radius.c
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===================================================================
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RCS file: /tcpdump/master/tcpdump/print-radius.c,v
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retrieving revision 1.23
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retrieving revision 1.24
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diff -u -d -u -d -r1.23 -r1.24
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--- print-radius.c.CAN-2004-0055 15 Dec 2003 13:52:15 -0000 1.23
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+++ print-radius.c 7 Jan 2004 08:00:52 -0000 1.24
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@@ -476,7 +476,7 @@
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break;
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}
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- for (i=0; i < length ; i++, data++)
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+ for (i=0; *data && i < length ; i++, data++)
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printf("%c",(*data < 32 || *data > 128) ? '.' : *data );
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return;
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0057 (isakmp)
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The rawprint function in the ISAKMP decoding routines
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(print-isakmp.c) for tcpdump 3.8.1 and earlier allows remote
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attackers to cause a denial of service (segmentation fault) via
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malformed ISAKMP packets that cause invalid "len" or "loc" values to
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be used in a loop, a different vulnerability than CAN-2003-0989.
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Index: print-isakmp.c
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===================================================================
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RCS file: /tcpdump/master/tcpdump/print-isakmp.c,v
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retrieving revision 1.41
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retrieving revision 1.42
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diff -u -d -u -d -r1.41 -r1.42
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--- print-isakmp.c.CAN-2004-0057 20 Dec 2003 10:03:19 -0000 1.41
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+++ print-isakmp.c 7 Jan 2004 08:00:51 -0000 1.42
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@@ -327,9 +327,13 @@
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static u_char *p;
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size_t i;
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+ TCHECK2(*loc, len);
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+
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p = (u_char *)loc;
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for (i = 0; i < len; i++)
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printf("%02x", p[i] & 0xff);
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+trunc:
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+ return;
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}
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struct attrmap {
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@@ -1111,6 +1115,8 @@
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cp = (const u_char *)ext;
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while (np) {
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+ TCHECK2(*ext, sizeof(e));
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+
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safememcpy(&e, ext, sizeof(e));
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if (ep < (u_char *)ext + ntohs(e.len)) {
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@@ -1136,6 +1142,8 @@
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ext = (struct isakmp_gen *)cp;
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}
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return cp;
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+trunc:
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+ return NULL;
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}
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static char *
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