title: Apache bRPC: ServerOptions.pid_file may cause arbitrary code execution
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
problem types: CWE-20 Improper Input Validation
affected:
{
defaultStatus: unaffected
product: Apache bRPC
vendor: Apache Software Foundation
versions:
lessThan: 1.5.0, status: affected, version: 0.9.0, versionType: semver
}
metrics:
other: [
content: {'text': 'important'}
type: Textual description of severity
]
workarounds: Apply this patch:  https://github.com/apache/brpc/pull/2218 https://github.com/apache/brpc/pull/2218