CVE-2019-7283 Path traversal in n/a

High 7.4 Published Updated

A malicious rsh server can overwrite arbitrary files on the rcp client machine due to insufficient validation of object names.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2019-7283?

CVE-2019-7283 is a high-severity path traversal vulnerability in Debian Debian Linux, published on 31 Jan 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in rcp in NetKit through 0.17. For an rcp operation, the server chooses which files/directories are sent to the client. However, the rcp client only performs cursory validation of the object name returned. A malicious rsh server (or Man-in-The-Middle attacker) can overwrite arbitrary files in a directory on the rcp client machine. This is similar to CVE-2019-6111.

Which versions are affected by CVE-2019-7283?

It affects 2 products.

Products include Debian Debian Linux, Netkit Netkit.

How do I fix CVE-2019-7283?

Apply the vendor's patch.

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

Is CVE-2019-7283 being exploited?

There is no known exploitation of CVE-2019-7283 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2019-7283, GHSA-2jpr-cg8h-wpp2, UBUNTU-CVE-2019-7283.

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