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Fix miniupnpc CVE-2017-8798

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This commit is contained in:
MaxXor 2017-09-01 09:38:31 +02:00
parent d8f402ad8f
commit c65062ad5e
1 changed files with 7 additions and 5 deletions
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12
external/miniupnpc/miniwget.c vendored
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@ -280,11 +280,12 @@ getHTTPResponse(int s, int * size, int * status_code)
goto end_of_stream;
}
}
bytestocopy = ((int)chunksize < (n - i))?chunksize:(unsigned int)(n - i);
/* it is guaranteed that (n >= i) */
bytestocopy = (chunksize < (unsigned int)(n - i))?chunksize:(unsigned int)(n - i);
if((content_buf_used + bytestocopy) > content_buf_len)
{
char * tmp;
if(content_length >= (int)(content_buf_used + bytestocopy)) {
if((content_length >= 0) && ((unsigned int)content_length >= (content_buf_used + bytestocopy))) {
content_buf_len = content_length;
} else {
content_buf_len = content_buf_used + bytestocopy;
@ -309,14 +310,15 @@ getHTTPResponse(int s, int * size, int * status_code)
{
/* not chunked */
if(content_length > 0
&& (int)(content_buf_used + n) > content_length) {
&& (content_buf_used + n) > (unsigned int)content_length) {
/* skipping additional bytes */
n = content_length - content_buf_used;
}
if(content_buf_used + n > content_buf_len)
{
char * tmp;
if(content_length >= (int)(content_buf_used + n)) {
if(content_length >= 0
&& (unsigned int)content_length >= (content_buf_used + n)) {
content_buf_len = content_length;
} else {
content_buf_len = content_buf_used + n;
@ -336,7 +338,7 @@ getHTTPResponse(int s, int * size, int * status_code)
}
}
/* use the Content-Length header value if available */
if(content_length > 0 && (int)content_buf_used >= content_length)
if(content_length > 0 && content_buf_used >= (unsigned int)content_length)
{
#ifdef DEBUG
printf("End of HTTP content\n");