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View Code? Open in Web Editor NEWApache Flink 目录遍历漏洞批量检测 (CVE-2020-17519)
Apache Flink 目录遍历漏洞批量检测 (CVE-2020-17519)
First of all thank you for your work.
I would like to reproduce your findings in order to analyze network footprints of the exploitation (eventhough your code is crystal clear and could be enough).
Unfortunately I cannot manage to reproduce this vulnerability.
Please find below my recipe:
First shell:
docker run --rm --name=jobmanager --publish 8081:8081 --env FLINK_PROPERTIES="jobmanager.rpc.address: jobmanager" flink:1.11 jobmanager
Second shell:
> $ touch urls.txt && echo "http://127.0.0.1:8081" > urls.txt && python3 cve.py urls.txt
_______ ________ ___ ___ ___ ___ __ ______ _____ __ ___
/ ____\ \ / / ____| |__ \ / _ \__ \ / _ \ /_ |____ | ____/_ |/ _ \
| | \ \ / /| |__ ______ ) | | | | ) | | | |______| | / /| |__ | | (_) |
| | \ \/ / | __|______/ /| | | |/ /| | | |______| | / / |___ \ | |\__, |
| |____ \ / | |____ / /_| |_| / /_| |_| | | | / / ___) || | / /
\_____| \/ |______| |____|\___/____|\___/ |_|/_/ |____/ |_| /_/
[-]http://127.0.0.1:8081 None
Check Over
Of course I tried we a manually deployed fake file in /opt/flink/log/flag.test
which works (as intended by Flink developers) but I cannot fetch the content of /opt/flink/flag.test
with what I believe to be a proper path.
Any suggestions ?
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