CVE-2019-1000018 Command injection in n/a

What is CVE-2019-1000018?

CVE-2019-1000018 is a high-severity command injection vulnerability in Canonical Ubuntu Linux, published on 4 Feb 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

rssh version 2.3.4 contains a CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in allowscp permission that can result in Local command execution. This attack appear to be exploitable via An authorized SSH user with the allowscp permission.

Weakness: CWE-77

Which versions are affected by CVE-2019-1000018?

It affects 4 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Pizzashack Rssh.

How do I fix CVE-2019-1000018?

Apply the vendor's patch.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2019-1000018 being exploited?

There is no known exploitation of CVE-2019-1000018 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

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

Also known as ALPINE-CVE-2019-1000018, DLA-1650-1, DSA-4377-1, GHSA-w832-4843-q4m8, UBUNTU-CVE-2019-1000018.