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Stratum: extract_sockaddr: Truncate overlong addresses rather than stack overflow

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Thanks to Mick Ayzenberg <mick@dejavusecurity.com> for finding this!
This commit is contained in:
Luke Dashjr 2014-06-05 17:05:12 +00:00 committed by Noel Maersk
parent bac5831b35
commit b65574bef2
1 changed files with 7 additions and 0 deletions
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7
util.c
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@ -1219,6 +1219,13 @@ bool extract_sockaddr(char *url, char **sockaddr_url, char **sockaddr_port)
if (url_len < 1) if (url_len < 1)
return false; return false;
if (url_len >= sizeof(url_address))
{
applog(LOG_WARNING, "%s: Truncating overflowed address '%.*s'",
__func__, url_len, url_begin);
url_len = sizeof(url_address) - 1;
}
sprintf(url_address, "%.*s", url_len, url_begin); sprintf(url_address, "%.*s", url_len, url_begin);