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pullup security fix on vendor branch

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This commit is contained in:
Sam Leffler 2005-06-09 15:54:42 +00:00
parent fa2afacabb
commit dd9c1736f5
1 changed files with 4 additions and 1 deletions
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5
contrib/tcpdump/print-isoclns.c
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@ -1907,6 +1907,9 @@ static int isis_print (const u_int8_t *p, u_int length)
tlv_type,
tlv_len);
if (tlv_len == 0) /* something is malformed */
break;
/* now check if we have a decoder otherwise do a hexdump at the end*/
switch (tlv_type) {
case ISIS_TLV_AREA_ADDR:
@ -1937,7 +1940,7 @@ static int isis_print (const u_int8_t *p, u_int length)
break;
case ISIS_TLV_ISNEIGH_VARLEN:
if (!TTEST2(*tptr, 1))
if (!TTEST2(*tptr, 1) || tmp < 3) /* min. TLV length */
goto trunctlv;
lan_alen = *tptr++; /* LAN adress length */
tmp --;