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Sanity check iSeries packet length to prevent heap-based buffer overflow. 

Bug: 11798
Change-Id: I7aebe709ef4014a385819835ef6effabbb4f0ca4
Reviewed-on: https://code.wireshark.org/review/12238
Reviewed-by: Anders Broman <a.broman58@gmail.com>
This commit is contained in:
Michael Mann 2015-11-27 20:37:36 -05:00 committed by Anders Broman
parent 44d98dafd4
commit 38c53f9800
1 changed files with 1 additions and 1 deletions
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2
wiretap/iseries.c
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@ -588,7 +588,7 @@ iseries_parse_packet (wtap * wth, FILE_T fh, struct wtap_pkthdr *phdr,
"%12s%*[ \n\t]%12s%*[ \n\t]ETHV2%*[ \n\t]TYPE:%*[ \n\t]%4s",
&pktnum, direction, &pkt_len, &hr, &min, &sec, csec, destmac,
srcmac, type);
if (num_items_scanned == 10)
if ((num_items_scanned == 10) && (pkt_len >= 0))
{
/* OK! We found the packet header line */
isValid = TRUE;