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I. Basic Information for CVE-2020-17519
Vulnerability Information
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Vulnerability Title
Apache Flink directory traversal attack: reading remote files through the REST API
Source: NVD (National Vulnerability Database)
Vulnerability Description
A change introduced in Apache Flink 1.11.0 (and released in 1.11.1 and 1.11.2 as well) allows attackers to read any file on the local filesystem of the JobManager through the REST interface of the JobManager process. Access is restricted to files accessible by the JobManager process. All users should upgrade to Flink 1.11.3 or 1.12.0 if their Flink instance(s) are exposed. The issue was fixed in commit b561010b0ee741543c3953306037f00d7a9f0801 from apache/flink:master.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对外部实体的文件或目录可访问
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache Flink 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Flink是美国阿帕奇软件（Apache）基金会的一款开源的分布式流数据处理引擎。该产品主要使用Java和Scala语言编写。 Apache Flink 版本 1.11.0 至 版本1.11.2 存在安全漏洞，该漏洞允许攻击者通过JobManager进程的REST接口读取JobManager本地文件系统上的任何文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
Apache Software FoundationApache Flink Apache Flink 1.11.0 to 1.11.2 -
II. Public POCs for CVE-2020-17519
#POC DescriptionSource LinkShenlong Link
1Apache Flink 目录遍历漏洞批量检测 (CVE-2020-17519)https://github.com/B1anda0/CVE-2020-17519POC Details
2Nonehttps://github.com/QmF0c3UK/CVE-2020-17519POC Details
3Apache Flink Directory Traversal (CVE-2020-17519) Nmap NSE Scripthttps://github.com/dolevf/apache-flink-directory-traversal.nsePOC Details
4CVE-2020-17519https://github.com/hoanx4/CVE-2020-17519POC Details
5[CVE-2020-17519] Apache Flink RESTful API Arbitrary File Readhttps://github.com/murataydemir/CVE-2020-17519POC Details
6CVE-2020-17519 EXPhttps://github.com/radbsie/CVE-2020-17519-ExpPOC Details
7CVE-2020-17519; Apache Flink 任意文件读取; 批量检测https://github.com/yaunsky/CVE-2020-17519-Apache-FlinkPOC Details
8A vulnerability scanner that detects CVE-2020-17519 vulnerabilities.https://github.com/Osyanina/westone-CVE-2020-17519-scannerPOC Details
9CVE-2020-17519 Cheetahhttps://github.com/givemefivw/CVE-2020-17519POC Details
10Nonehttps://github.com/zhangweijie11/CVE-2020-17519POC Details
11Nonehttps://github.com/GazettEl/CVE-2020-17519POC Details
12Apache Flink 1.11.0 (and released in 1.11.1 and 1.11.2 as well) allows attackers to read any file on the local filesystem of the JobManager through the REST interface of the JobManager process (aka local file inclusion).https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-17519.yamlPOC Details
13Nonehttps://github.com/Threekiii/Awesome-POC/blob/master/%E5%BC%80%E5%8F%91%E6%A1%86%E6%9E%B6%E6%BC%8F%E6%B4%9E/Apache%20Flink%20%E7%9B%AE%E5%BD%95%E9%81%8D%E5%8E%86%E6%BC%8F%E6%B4%9E%20CVE-2020-17519.mdPOC Details
14Nonehttps://github.com/chaitin/xray-plugins/blob/main/poc/manual/flink-jobmanager-cve-2020-17519-lfi.ymlPOC Details
15https://github.com/vulhub/vulhub/blob/master/flink/CVE-2020-17519/README.mdPOC Details
16CVE-2020-17519https://github.com/dev-team-12x/CVE-2020-17519POC Details
17Nonehttps://github.com/shoucheng3/apache__flink_CVE-2020-17519_1-11-2POC Details
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III. Intelligence Information for CVE-2020-17519
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IV. Related Vulnerabilities
Same product: Apache Flink
Same vendor: Apache Software Foundation
Same weakness: CWE-552
V. Comments for CVE-2020-17519

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