CVE-2020-17519 PoC — Apache Flink directory traversal attack: reading remote files through the REST API

Source

https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-17519.yaml

Associated Vulnerability

Title:Apache Flink directory traversal attack: reading remote files through the REST API (CVE-2020-17519)
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.

Description

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 (aka local file inclusion).

File Snapshot

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