diff options
| -rw-r--r-- | lib/curl_ntlm_core.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/curl_ntlm_core.c b/lib/curl_ntlm_core.c index e27cab353..922e85a92 100644 --- a/lib/curl_ntlm_core.c +++ b/lib/curl_ntlm_core.c @@ -557,8 +557,11 @@ CURLcode Curl_ntlm_core_mk_nt_hash(struct Curl_easy *data, unsigned char *ntbuffer /* 21 bytes */) { size_t len = strlen(password); - unsigned char *pw = len ? malloc(len * 2) : strdup(""); + unsigned char *pw; CURLcode result; + if(len > SIZE_T_MAX/2) /* avoid integer overflow */ + return CURLE_OUT_OF_MEMORY; + pw = len ? malloc(len * 2) : strdup(""); if(!pw) return CURLE_OUT_OF_MEMORY; |