CVE-2023-43802 Path traversal in Arduino Create Agent

What is CVE-2023-43802?

CVE-2023-43802 is a high-severity path traversal vulnerability in arduino-create-agent, published on 18 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Arduino Create Agent is a package to help manage Arduino development. This vulnerability affects the endpoint `/upload` which handles request with the `filename` parameter. A user who has the ability to perform HTTP requests to the localhost interface, or is able to bypass the CORS configuration, can escalate their privileges to those of the user running the Arduino Create Agent service via a crafted HTTP POST request. This issue has been addressed in version `1.3.3`. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Weakness: CWE-22

Which versions are affected by CVE-2023-43802?

2 open source packages ship an affected version, including github.com/arduino/arduino-create-agent. It affects 1 product.

Products include Arduino Create Agent.

How do I fix CVE-2023-43802?

Upgrade github.com/arduino/arduino-create-agent to 1.3.3 or later.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-43802 being exploited?

There is no known exploitation of CVE-2023-43802 in the wild and no public exploit code.

Other vulnerabilities in arduino-create-agent

• CVE-2023-43800 Insufficient Verification of Data Authenticity in Arduino Create Agent High 7.3
• CVE-2023-49296 Arduino Create Agent vulnerable to Reflected Cross-Site Scripting Medium 6.3
• CVE-2023-43801 Path traversal in Arduino Create Agent Medium 6.1
• CVE-2023-43803 Path traversal in Arduino Create Agent Medium 6.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-75j7-w798-cwwx.