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don't allow string input to overrun the buffer to hold it (ASA-2007-010)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@59182 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2007-03-22 23:40:01 +00:00
parent 34f55a9bf6
commit cf58b2ba46
1 changed files with 3 additions and 3 deletions
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channels/chan_sip.c
+3 -3
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@@ -5091,15 +5091,15 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req)
ast_log(LOG_DEBUG, "Transcoding JBIG: %d\n",x);
if (x == 1)
peert38capability |= T38FAX_TRANSCODING_JBIG;
} else if ((sscanf(a, "T38FaxRateManagement:%s", s) == 1)) {
} else if ((sscanf(a, "T38FaxRateManagement:%255s", s) == 1)) {
found = 1;
if (option_debug > 2)
ast_log(LOG_DEBUG, "RateMangement: %s\n", s);
ast_log(LOG_DEBUG, "RateManagement: %s\n", s);
if (!strcasecmp(s, "localTCF"))
peert38capability |= T38FAX_RATE_MANAGEMENT_LOCAL_TCF;
else if (!strcasecmp(s, "transferredTCF"))
peert38capability |= T38FAX_RATE_MANAGEMENT_TRANSFERED_TCF;
} else if ((sscanf(a, "T38FaxUdpEC:%s", s) == 1)) {
} else if ((sscanf(a, "T38FaxUdpEC:%255s", s) == 1)) {
found = 1;
if (option_debug > 2)
ast_log(LOG_DEBUG, "UDP EC: %s\n", s);