Arbitrary File Write in cli
Affected versions of cli use predictable temporary file names. If an attacker can create a symbolic link at the location of one of these temporarly file names, the attacker can arbitrarily write to any file that the user which owns the cli process has permission to write to.
Proof of Concept
By creating Symbolic Links at the following locations, the target of the link can be written to.
lock_file = '/tmp/' + cli.app + '.pid',
log_file = '/tmp/' + cli.app + '.log';Recommendation
Update to version 1.0.0 or later.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | cli | < 1.0.0 | 1.0.0 |
References
- Weakness (CWE)
CWE-22- Platform
- npm
- Package
cli- Disclosed
- 18.02.2019
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-6cpc-mj5c-m9rq - CC BY 4.0
Vulnerability history: cli
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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