CVE-2023-31039: Apache bRPC: ServerOptions.pid_file may cause arbitrary code execution

[Wang Weibing <wwbmmm () apache org>]

Severity: important

Affected versions:

- Apache bRPC 0.9.0 before 1.5.0

Description:

Security vulnerability in Apache bRPC <1.5.0 on all platforms allows attackers to execute arbitrary code via 
ServerOptions::pid_file.
An attacker that can influence the ServerOptions pid_file parameter with which the bRPC server is started can execute 
arbitrary code with the permissions of the bRPC process.

Solution:
1. upgrade to bRPC >= 1.5.0, download link:  https://dist.apache.org/repos/dist/release/brpc/1.5.0/ 
https://dist.apache.org/repos/dist/release/brpc/1.5.0/ 
2. If you are using an old version of bRPC and hard to upgrade, you can apply this patch:  
https://github.com/apache/brpc/pull/2218 https://github.com/apache/brpc/pull/2218

Required Configurations:

set brpc::ServerOptions::pid_file from user input

Work Arounds:

Apply this patch:  https://github.com/apache/brpc/pull/2218 https://github.com/apache/brpc/pull/2218

References:

https://brpc.apache.org
https://www.cve.org/CVERecord?id=CVE-2023-31039