diff options
| -rw-r--r-- | block/curl.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/block/curl.c b/block/curl.c index 47df9524ea..f6226b3a08 100644 --- a/block/curl.c +++ b/block/curl.c @@ -34,6 +34,10 @@ #define DPRINTF(fmt, ...) do { } while (0) #endif +#define PROTOCOLS (CURLPROTO_HTTP | CURLPROTO_HTTPS | \ + CURLPROTO_FTP | CURLPROTO_FTPS | \ + CURLPROTO_TFTP) + #define CURL_NUM_STATES 8 #define CURL_NUM_ACB 8 #define SECTOR_SIZE 512 @@ -302,6 +306,13 @@ static CURLState *curl_init_state(BDRVCURLState *s) curl_easy_setopt(state->curl, CURLOPT_ERRORBUFFER, state->errmsg); curl_easy_setopt(state->curl, CURLOPT_FAILONERROR, 1); + /* Restrict supported protocols to avoid security issues in the more + * obscure protocols. For example, do not allow POP3/SMTP/IMAP see + * CVE-2013-0249. + */ + curl_easy_setopt(state->curl, CURLOPT_PROTOCOLS, PROTOCOLS); + curl_easy_setopt(state->curl, CURLOPT_REDIR_PROTOCOLS, PROTOCOLS); + #ifdef DEBUG_VERBOSE curl_easy_setopt(state->curl, CURLOPT_VERBOSE, 1); #endif |