Fix CIDs 12008, 12007, 12005, 12002, 12001, 11787, 11774, and 11724

clamdtop/clamdtop.c

@@ -595,7 +595,7 @@ static int make_connection_real(const char *soname, conn_t *conn)
 {
     int s;
     struct timeval tv;
-    char *port;
+    char *port=NULL;
     char *name, *pt = strdup(soname);
     const char *host = pt;
     struct addrinfo hints, *res=NULL, *p;

libclamav/crypto.c

@@ -591,28 +591,24 @@ unsigned char *cl_sign_data(EVP_PKEY *pkey, char *alg, unsigned char *hash, unsi
 
     sig = (unsigned char *)calloc(1, EVP_PKEY_size(pkey));
     if (!(sig)) {
-        free(hash);
         EVP_MD_CTX_destroy(ctx);
         return NULL;
     }
 
     if (!EVP_SignInit_ex(ctx, md, NULL)) {
         free(sig);
-        free(hash);
         EVP_MD_CTX_destroy(ctx);
         return NULL;
     }
 
     if (!EVP_SignUpdate(ctx, hash, EVP_MD_size(md))) {
         free(sig);
-        free(hash);
         EVP_MD_CTX_destroy(ctx);
         return NULL;
     }
 
     if (!EVP_SignFinal(ctx, sig, &siglen, pkey)) {
         free(sig);
-        free(hash);
         EVP_MD_CTX_destroy(ctx);
         return NULL;
     }
@@ -621,7 +617,6 @@ unsigned char *cl_sign_data(EVP_PKEY *pkey, char *alg, unsigned char *hash, unsi
         unsigned char *newsig = (unsigned char *)cl_base64_encode(sig, siglen);
         if (!(newsig)) {
             free(sig);
-            free(hash);
             EVP_MD_CTX_destroy(ctx);
             return NULL;
         }
@@ -741,9 +736,9 @@ int cl_validate_certificate_chain_ts_dir(char *tsdir, char *certpath)
                 while (nauths > 0)
                     free(authorities[nauths--]);
                 free(authorities[0]);
-                free(authorities);
             }
 
+            free(authorities);
             closedir(dp);
             return -1;
         }
@@ -922,7 +917,7 @@ struct tm *cl_ASN1_GetTimeT(ASN1_TIME *timeobj)
     struct tm *t;
     char* str;
     size_t i = 0;
-    const char *fmt;
+    const char *fmt=NULL;
     time_t localt;
 #ifdef _WIN32
     struct tm localtm, *ltm;
@@ -962,6 +957,11 @@ struct tm *cl_ASN1_GetTimeT(ASN1_TIME *timeobj)
         }
     }
 
+    if (!(fmt)) {
+        free(t);
+        return NULL;
+    }
+
     if (!strptime(str, fmt, t)) {
         free(t);
         return NULL;

libclamav/dmg.c

@@ -297,11 +297,13 @@ int cli_scandmg(cli_ctx *ctx)
                 if (ret == CL_EFORMAT) {
                     /* Didn't decode, or not a mish block */
                     ret = CL_CLEAN;
+                    free(mish_set);
                     xmlFree(nodeName);
                     continue;
                 }
                 else if (ret != CL_CLEAN) {
                     xmlFree(nodeName);
+                    free(mish_set);
                     continue;
                 }
                 /* Add mish block to list */

libclamav/scanners.c

@@ -1304,6 +1304,7 @@ static int cli_scanscript(cli_ctx *ctx)
 
 	if(!(normalized = cli_malloc(SCANBUFF + maxpatlen))) {
 		cli_dbgmsg("cli_scanscript: Unable to malloc %u bytes\n", SCANBUFF);
+        free(tmpname);
 		return CL_EMEM;
 	}
 
@@ -1318,12 +1319,14 @@ static int cli_scanscript(cli_ctx *ctx)
 	    ret = cli_ac_caloff(troot, &tmdata, &info);
 	    if (ret) {
 		cli_ac_freedata(&tmdata);
+        free(tmpname);
 		return ret;
 	    }
 	}
 
 	if ((ret = cli_ac_initdata(&gmdata, groot->ac_partsigs, groot->ac_lsigs, groot->ac_reloff_num, CLI_DEFAULT_AC_TRACKLEN))) {
 	    cli_ac_freedata(&tmdata);
+        free(tmpname);
 	    return ret;
 	}
 	mdata[0] = &tmdata;
@@ -3076,7 +3079,7 @@ int cli_map_scan(cl_fmap_t *map, off_t offset, size_t length, cli_ctx *ctx, cli_
         ret = cli_base_scandesc(fd, ctx, type);
 
         /* remove the temp file, if needed */
-        if (fd > -1) {
+        if (fd >= 0) {
             close(fd);
         }
         if(!ctx->engine->keeptmp) {

libclamav/stats.c

@@ -585,8 +585,6 @@ char *clamav_stats_get_hostid(void *cbdata)
         return strdup(STATS_ANON_UUID);
     return buf;
 #endif
-
-    return strdup(STATS_ANON_UUID);
 }
 #endif