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Bounce scan: avoid array overrun (read) by checking index instead

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dmiller
2016-07-29 15:50:48 +00:00
parent b6dfce6217
commit 09eef559c3
1 changed files with 1 additions and 1 deletions
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nmap_ftp.cc
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@@ -339,7 +339,7 @@ void bounce_scan(Target *target, u16 *portarray, int numports,
} else { } else {
error("Your FTP bounce server doesn't allow privileged ports, skipping them."); error("Your FTP bounce server doesn't allow privileged ports, skipping them.");
while (i < numports && portarray[i] < 1024) i++; while (i < numports && portarray[i] < 1024) i++;
if (!portarray[i]) { if (i >= numports) {
fatal("And you didn't want to scan any unprivileged ports. Giving up."); fatal("And you didn't want to scan any unprivileged ports. Giving up.");
} }
} }