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Posted to issues@flink.apache.org by "Chesnay Schepler (Jira)" <ji...@apache.org> on 2022/02/17 19:00:00 UTC

[jira] [Closed] (FLINK-26209) Possibility of Command Injection attack

     [ https://issues.apache.org/jira/browse/FLINK-26209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chesnay Schepler closed FLINK-26209.
------------------------------------
    Resolution: Information Provided

> Possibility of Command Injection attack 
> ----------------------------------------
>
>                 Key: FLINK-26209
>                 URL: https://issues.apache.org/jira/browse/FLINK-26209
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Configuration
>            Reporter: Iman Sharafaldin
>            Priority: Major
>
> As you can see in line 134 command line is built using string concatenation. An attacker who has control over args can execute malicious commands.
>  
> |final String cmd = discoveryScript.getAbsolutePath() + " " + gpuAmount + " " + args;|
> ||
> [https://github.com/apache/flink/blob/0d29b23f892714e4936b8af2f896e3040ddc9e89/flink-external-resources/flink-external-resource-gpu/src/main/java/org/apache/flink/externalresource/gpu/GPUDriver.java#L134]
>  
>  
> Reference:
> https://owasp.org/www-community/attacks/Command_Injection



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