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一、 漏洞 CVE-2017-12635 基础信息
漏洞信息
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Vulnerability Title
N/A
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
Due to differences in the Erlang-based JSON parser and JavaScript-based JSON parser, it is possible in Apache CouchDB before 1.7.0 and 2.x before 2.1.1 to submit _users documents with duplicate keys for 'roles' used for access control within the database, including the special case '_admin' role, that denotes administrative users. In combination with CVE-2017-12636 (Remote Code Execution), this can be used to give non-admin users access to arbitrary shell commands on the server as the database system user. The JSON parser differences result in behaviour that if two 'roles' keys are available in the JSON, the second one will be used for authorising the document write, but the first 'roles' key is used for subsequent authorization for the newly created user. By design, users can not assign themselves roles. The vulnerability allows non-admin users to give themselves admin privileges.
来源: 美国国家漏洞数据库 NVD
CVSS Information
N/A
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
N/A
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
Apache CouchDB 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Apache CouchDB是美国阿帕奇（Apache）软件基金会的一个免费、开源、面向文档的数据库，是一个使用JSON作为存储格式，JavaScript作为查询语言，MapReduce和HTTP作为API的NoSQL数据库。 Apache CouchDB 1.7.0之前的版本和2.1.1之前的2.x版本中存在安全漏洞，该漏洞源于基于rlang的JSON解析器和基于JavaScript的JSON解析器之间存在差异。攻击者可利用该漏洞访问任意的shell命令或获取管理员权限。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
厂商产品影响版本CPE订阅
Apache Software FoundationApache CouchDB 1.2.0 to 1.6.1 -
二、漏洞 CVE-2017-12635 的公开POC
#POC 描述源链接神龙链接
1Case study and POC of CVE-2017-12635: Apache CouchDB 1.7.0 / 2.x < 2.1.1 - Remote Privilege Escalationhttps://github.com/assalielmehdi/CVE-2017-12635POC详情
2Nonehttps://github.com/cyberharsh/Apache-couchdb-CVE-2017-12635POC详情
3Nonehttps://github.com/tranmanhdat/couchdb_cve-2017-12635POC详情
4CouchDB CVE-2017-12635 Exploit Scripthttps://github.com/Weisant/CVE-2017-12635-EXPPOC详情
5POC for CouchDB CVE-2017-12635https://github.com/Weisant/CVE-2017-12635-POCPOC详情
6Due to differences in the Erlang-based JSON parser and JavaScript-based JSON parser, it is possible in Apache CouchDB before 1.7.0 and 2.x before 2.1.1 to submit _users documents with duplicate keysfor 'roles' used for access control within the database, including the special case '_admin' role, that denotes administrative users. In combination with CVE-2017-12636 (Remote Code Execution), this can be used to give non-admin users access to arbitrary shell commands on the server as the database system user. The JSON parser differences result in behavior that if two 'roles' keys are available in the JSON, the second one will be used for authorizing the document write, but the first 'roles' key is used for subsequent authorization for the newly created user. By design, users can not assign themselves roles. The vulnerability allows non-admin users to give themselves admin privileges.https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2017/CVE-2017-12635.yamlPOC详情
7Nonehttps://github.com/Threekiii/Awesome-POC/blob/master/%E6%95%B0%E6%8D%AE%E5%BA%93%E6%BC%8F%E6%B4%9E/Apache%20CouchDB%20%E5%9E%82%E7%9B%B4%E6%9D%83%E9%99%90%E7%BB%95%E8%BF%87%E6%BC%8F%E6%B4%9E%20CVE-2017-12635.mdPOC详情
8Nonehttps://github.com/chaitin/xray-plugins/blob/main/poc/manual/couchdb-cve-2017-12635.ymlPOC详情
9https://github.com/vulhub/vulhub/blob/master/couchdb/CVE-2017-12635/README.mdPOC详情
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三、漏洞 CVE-2017-12635 的情报信息
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四、漏洞 CVE-2017-12635 的评论

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